An article from Science News Apr 2021
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An article from Science News Apr 2021
Newly made laser-cooled antimatter could test foundations of modern physics
An article from Science News Apr 2021
The dinosaur-killing asteroid impact radically altered Earth's tropical forests
An article from Science News Mar 2021
A toxin behind mysterious eagle die-offs may have finally been found
An article from Science News Mar 2021
AstraZeneca's COVID-19 vaccine isn't tied to blood clots, experts say
An article from Science News Mar 2021
Some COVID-19 survivors face another foe: PTSD
An article from Science News Mar 2021
A magnetic trap captures elusive ultracold plasma
An article from Science News Mar 2021
Most pro athletes who got COVID-19 didn’t develop heart inflammation
An article from Science News Mar 2021
An ancient dog fossil helps trace humans’ path into the Americas
An article from Science News Feb 2021
Protons’ antimatter is even more lopsided than we thought
An article from Science News Feb 2021
The first black hole ever discovered is more massive than previously thought
An article from Science News Feb 2021
Some Neandertal genes in people today may protect against severe COVID-19
An article from Science News Feb 2021
Pfizer’s vaccine appears to reduce coronavirus transmission
An article from Science News Feb 2021
A drop in CFC emissions puts the hole in the ozone layer back on track to closing
An article from Science News Feb 2021
‘Designer molecules’ could create tailor-made quantum devices
An article from Science News Feb 2021
Fossil mimics may be more common in ancient rocks than actual fossils
An article from Science News Feb 2021
Diabetes during pregnancy is tied to heart trouble later in life
An article from Science News Jan 2021
Diamond holds up at pressures more than five times those in Earth’s core
An article from Science News Jan 2021
Drones could help create a quantum internet
An article from Science News Jan 2021
Newborn megalodon sharks were larger than most adult humans
An article from Science News Jan 2021
Some identical twins don’t have identical DNA
An article from Science News Jan 2021
This weird chemical bond acts like a mash-up of hydrogen and covalent bonds
An article from Science News Jan 2021
Zinc-air batteries are typically single-use. A new design could change that
Biography
Abbe, Ernst (1840–1905)
Article
Abscisic acid
A major plant hormone that plays an important role in plant growth and development. Abscisic acid (ABA), with a chemical formula of C15H20O4 (Fig. 1), is one of the most significant hormones found in plants. It is responsible for regulating various…
