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An article from Science News Nov 2019
A carved rock found in Jordan may be the oldest known chess piece
An article from Science News Nov 2019
A toe bone hints that Neandertals used eagle talons as jewelry
An article from Science News Sep 2019
A 3.8 million-year-old skull reveals the face of Lucy’s possible ancestors
An article from Science News Jun 2019
DNA reveals ancient Siberians who set the stage for the first Americans
An article from Science News May 2019
A jawbone shows Denisovans lived on the Tibetan Plateau long before humans
An article from Science News Apr 2019
A new hominid species has been found in a Philippine cave, fossils suggest
An article from Science News Feb 2019
Tooth plaque shows drinking milk goes back 3,000 years in Mongolia
An article from Science News Dec 2018
Corn domestication took some unexpected twists and turns
An article from Science News Nov 2018
Fossils hint hominids migrated through a ‘green’ Arabia 300,000 years ago
An article from Science News Sep 2018
German skeletons hint that medieval warrior groups recruited from afar
An article from Science News Aug 2018
A fossil mistaken for a bat may shake up lemurs’ evolutionary history
An article from Science News Aug 2018
The debate over people’s pathway into the Americas heats up
An article from Science News Aug 2018
Cremated remains reveal hints of who is buried at Stonehenge
An article from Science News Apr 2018
Footprints prove humans hunted giant sloths during the Ice Age
An article from Science News Apr 2018
Dogs lived and died with humans 10,000 years ago in the Americas
An article from Science News Apr 2018
Finger fossil puts people in Arabia at least 86,000 years ago
An article from Science News Apr 2018
Ardi walked the walk 4.4 million years ago
An article from Science News Feb 2018
The last wild horses aren’t truly wild
An article from Science News Jan 2018
An ancient jaw pushes humans’ African departure back in time
An article from Science News Jan 2018
‘Laid-back’ bonobos take a shine to belligerents
An article from Science News Oct 2017
Mating with Neandertals reintroduced ‘lost’ DNA into modern humans
An article from Science News Sep 2017
People may have lived in Brazil more than 20,000 years ago
An article from Science News Aug 2017
Some secrets of China’s terra-cotta army are baked in the clay
An article from Science News Jul 2017
How humans (maybe) domesticated themselves
An article from Science News Jun 2017
DNA reveals how cats achieved world domination
An article from Science News Jun 2017
Oldest known Homo sapiens fossils come from northern Africa, studies claim
An article from Science News May 2017
European fossils may belong to earliest known hominid
An article from Science News May 2017
Orangutans take motherhood to extremes, nursing young for more than eight years
An article from Science News Sep 2016
Fossils hint at India’s crucial role in primate evolution
An article from Science News Jul 2016
Earliest evidence of monkeys' use of stone tools found
An article from Science News Jun 2016
Human route into Americas traced via trail of bison fossils
An article from Science News May 2016
Risky skull surgery done for ritual reasons 6,000 years ago
An article from Science News Apr 2016
Pieces of Homo naledi story continue to puzzle
An article from Science News Feb 2016
Africa's poison arrow beetles are key in traditional hunting method
An article from Science News Jan 2016
Attack 10,000 years ago is earliest known act of warfare
An article from Science News Jan 2016
Ancient stone tools raise tantalizing questions over who colonized Sulawesi
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from article Archeology
Exterior view of the entrances to two small Neolithic passage graves at Knowth, County Meath, Ireland, which date to approximately 3200 BCE. Graves of this type help archeologists to reconstruct past lifeways of the humans that created them.…
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from article Archeology
Stone tools from one of the oldest archeological sites in the world, OGS7 at Gona in Ethiopia, dating to 2.6 million years ago. (Top left) Refitting of flakes to a core (modified cobblestones that have been flaked). There are a variety of artifacts,…
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from article Archeology
Stonehenge monument in Wiltshire, England. The first stones to be raised at this site have been dated to about 2500 BCE. The archeological evidence supports the theory that this sophisticated prehistoric stone circle was used as a ceremonial burial…
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from article Army armament
155-mm howitzers. (a) M109A6 Paladin self-propelled howitzer (BMY Combat Systems). (b) M198 towed howitzer (U.S. Army).
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from article Army armament
M483A1 155-mm cargo-carrying projectile. (U.S. Army)
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from article Army armament
XM777 lightweight 155-mm towed howitzer. (U.S. Army)
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from article Army armament
Multiple-launch rocket system (MLRS). (Vought Corp.)
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from article Army armament
M16A2 rifle. (U.S. Army)
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from article Army armament
M60 7.62-mm machine gun. (U.S. Army)
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from article Army armament
M224 60-mm lightweight company mortar system. (U.S. Army)
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from article Army armament
XM141 SMAW-D bunker defeat munition. (U.S. Army)
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from article Army armament
M1 Abrams battle tank. (U.S. Army)
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from article Army armament
M2 Bradley infantry fighting vehicle with M242 25-mm turret-mounted chain gun. (U.S. Army)
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from article Army armament
M113 armored personnel carrier. (U.S. Army)
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from article Army armament
TOW 2 (tube-launched, optically tracked, wire-guided) missile (tripod-mounted). (U.S. Army)
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from article Army armament
Patriot system firing an MIM-104 surface-to-air missile. (Raytheon)
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from article Army armament
Mine dispenser of GEMSS (ground-emplaced mine scattering system), mounted on flatbed chassis. (U.S. Army)
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from article Army armament
Volcano modular mine-dispensing system (helicopter-mounted). (U.S. Army)
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from article Fossil humans
Skeletal remains of Homo naledi (an offshoot of the hominin family) from a South African cave. The partial skeleton in the center consists of bones from several individuals. (Copyright © Lee Berger)
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from article Fossil humans
Human phylogeny over the last 35 million years, showing the skulls of the major known fossil relatives and possible ancestors of modern humans. (Copyright © McGraw-Hill Education)
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from article Fossil humans
Face (cast) of Ouranopithecus macedoniensis from Xirochori, Greece, about 9.7 million years old. (Credit: L. Meeker; copyright © E. Delson)
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from article Fossil humans
Cranium of Sahelanthropus tchadensis from deposits about 7–6 million years old in Chad: (left) original fossil; (right) virtual reconstruction. (Copyright © Mission Paléoanthropologique Franco-Tchadienne)
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from article Fossil humans
Ardipithecus ramidus from the 4.4-million-year-old site of Aramis, Middle Awash Valley, Ethiopia: (left) reconstructed female skull next to female chimpanzee skull in oblique and right lateral views; (right) partial female skeleton. (Credit: David…
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from article Fossil humans
Digital recreation of the skeleton of Lucy, who lived about 3.2 MYA. This female australopith (Australopithecus afarensis) was discovered at the Ethiopian site of Hadar in 1974. (Credit: miv123/iStock/Getty Images)
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from article Fossil humans
Cranium of an adult (female?) Australopithecus africanus from Sterkfontein, South Africa, about 2.2 million years old. (Copyright © E. Delson)
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from article Fossil humans
Australopithecus sediba from Malapa, South Africa, dated about 1.8 million years old: (left) juvenile male and adult female partial skeletons; (right) juvenile (male?) cranium in frontal and left lateral views. (Copyright © Lee Berger/Peter Schmid)
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from article Fossil humans
Fossil skull of Paranthropus boisei from East Africa. (Credit: Dinoton/Shutterstock)
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from article Fossil humans
Fossil skull of Homo habilis. (Credit: markchentx/Getty Images)
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from article Fossil humans
Partial skeleton of the "Turkana Boy," an adolescent male Homo erectus, from West Turkana, Kenya, about 1.5 million years old. (Copyright © National Museums of Kenya)
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from article Fossil humans
Crania and mandibles of Homo erectus from Dmanisi, Georgia, reveal diversity in a single sample dated about 1.7 MYA. (Copyright © Georgian National Museum)
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from article Fossil humans
Partial cranium of (female?) Homo erectus from Sambungmacan, Java, Indonesia, possibly dated between 500 and 100 KYA. (Credit: C. Tarka; copyright © E. Delson)
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from article Fossil humans
Crania (frontal view) of two male Homo neanderthalensis specimens about 60,000–50,000 years old: (left) cranium from Amud, Israel; (right) cranium from La Ferrassie, France. [Credit: C. Tarka; copyright © Musée de l'Homme (Paris)/Israel Antiquities…
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from article Submarine
A Virginia-class, nuclear-powered attack submarine, surfaced and returning to its shipyard. (Credit: U.S. Navy photo by General Dynamics Electric Boat)
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from article Submarine
Nuclear-powered attack submarine. (Credit: General Dynamics, Electric Boat Division)
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from article Submarine
Ballistic missile submarine. (Credit: General Dynamics, Electric Boat Division)
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from article Submarine
Deep-submergence rescue vehicle, a type of submersible. (Credit: U.S. Navy)
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from article Submarine
Compartments and tanks in a diesel electric submarine. (Credit: General Dynamics, Electric Boat Division)
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from article Submarine
Diesel-electric, air-independent propulsion (AIP) power plant. (Credit: Kockums AB)
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from article Forensic anthropology
Forensic anthropologists analyze clues from the human skeleton to assist in determining the identity of human remains as well as the circumstances surrounding the death of that individual. ( Credit: Getty Images/iStockphoto)
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from article Ballistics
Guns firing from the deck of the USS Iowa. (Credit: Purestock/SuperStock)
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from article Ballistics
Parabolic trajectory of a body projected horizontally, without resistance.
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from article Ballistics
Parabolic trajectory of a body projected at an angle, without resistance.
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from article Ballistics
Possible trajectories of body projected at same initial velocity but at different angle θ0.
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from article Ballistics
Plot of drag coefficient Kd . Quantity v is velocity of projectile, and a is velocity of sound.
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from article Ballistics
Elliptical trajectory of a long-range missile. The range of fall is x′w rather than xw .
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from article Ballistics
Gas pressure in gun barrel.
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from article Paleopathology
Pottery figurine of an achondroplastic dwarf from an archeological site in Tachina, Esmeraldas, Ecuador, dated between 500 BCE and 500 AD. (Department of Anthropology, National Museum of Natural History, Smithsonian Institution Catalog No. 449562)
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from article Paleopathology
Sword trauma that removed part of the left upper jaw and the right lower jaw so that no remaining teeth were in contact between the jaws. The adult male survived this injury. The skull is from an archeological burial site near the Stewart River,…
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from article Paleopathology
Destruction of the lower portion of the fourth lumbar vertebra (arrow), probably caused by tuberculosis, from a young male skeleton found at the archeological burial site of Bâb edh-Dhrâ in Jordan, dated to approximately 3300 BCE. (Department of…
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from article Paleopathology
The fused spine and ribs in a case of ankylosing spondylitis from an adult male found at a burial site near the Kuskokwim River, Alaska. (Department of Anthropology, National Museum of Natural History, Smithsonian Institution Catalog No. 351296)
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from article Paleopathology
The effect of scurvy on the right side of the cranium of an 11-year-old child from the archeological site of Pachacamac, Peru. (Department of Anthropology, National Museum of Natural History, Smithsonian Institution Catalog No. 266599)
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from article Sonobuoy
Launch of a sonobuoy from an antisubmarine warfare (ASW) aircraft. (a) In flight. (b) Buoy strikes the water in a nearly vertical attitude. (c) Antenna and hydrophone are positioned automatically.
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from article Conservation of archeological wood: the Oseberg find
The Oseberg ship.
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from article Conservation of archeological wood: the Oseberg find
One of the ceremonial objects: a richly ornamented wagon.
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from article Conservation of archeological wood: the Oseberg find
The Oseberg objects were mounted together from numerous fragments in the early 1900s.
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from article Conservation of archeological wood: the Oseberg find
Synchroton X-ray microtomography shows the grade of deterioration on a microscopic level: (a) fresh poplar wood; (b) alum-conserved archeological wood. [Images were taken at the TOMCAT beamline, Swiss Light Source (SLS)]
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from article Chimpanzee behavior
A mother chimpanzee (Pan troglodytes) walking on all fours with her baby clinging to her back. (Credit: Jeannette Katzir/Getty Images)
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from article Chimpanzee behavior
Evolutionary tree of apes and humans.
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from article Chimpanzee behavior
Two male chimpanzees grooming. (Credit: John C. Mitani)
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from article Chimpanzee behavior
Adult male chimpanzee feeding on the body of a red colobus monkey. (Credit: John C. Mitani)
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from article Origins of agriculture
Map of the Near East, showing the “Levantine Corridor,” one of several likely “cores” for Neolithic development. (Adapted from A. H. Simmons, The Neolithic Revolution in the Near East: Transforming the Human Landscape, Fig. 1.2, p. 8, University of…
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from article Origins of agriculture
Two of the PPNB `Ain Ghazal statues, after conservation. (Photo courtesy of Alan H. Simmons)
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from article Evolution of military tactical radios
A World War II hand-held, two-way, battery-powered radio (handie-talkie), the SCR 536 (BC-611), is viewed (a) obliquely from front (Credit: Dave Hollander N7RK), and (b) from side, where push-to-talk button is visible (Credit: National Electronics…
