hormones, evolution
Oldest <em>Homo</em> Remains Yet Found
Oldest Homo Remains Yet Found
Ruth Williams | Mar 4, 2015
A newly discovered 2.8 million-year-old jawbone is thought to be that of a direct human ancestor.
Drunk Monkeys
Drunk Monkeys
Jef Akst | Mar 1, 2015
UC Berkeley biologist Robert Dudley explains his "drunken monkey" hypothesis for how humans developed a taste for alcohol.
Capsule Reviews
Capsule Reviews
Bob Grant | Mar 1, 2015
Evolving Ourselves, The Man Who Touched His Own Heart, Bats, and The Invaders
A Deathly Pallor
A Deathly Pallor
Carina Storrs | Mar 1, 2015
Global warming could lead to lighter-colored insects with waning immune defenses.
Falling Out of the Family Tree
Falling Out of the Family Tree
Jef Akst | Mar 1, 2015
A mutation in an ethanol-metabolizing enzyme arose around the time that arboreal primates shifted to a more terrestrial lifestyle, perhaps as an adaptation to eating fermented fruit.
Evolutionary Rewiring
Evolutionary Rewiring
Ruth Williams | Feb 26, 2015
Strong selective pressure can lead to rapid and reproducible evolution in bacteria.
Marine Life Trending Larger
Marine Life Trending Larger
Bob Grant | Feb 23, 2015
Ocean animals have been getting bigger over the millennia, according to an analysis of thousands of genera that have plied Earth’s seas since the Cambrian Period.
Two New Jurassic Mammals Found
Two New Jurassic Mammals Found
Bob Grant | Feb 13, 2015
Researchers working in China have unearthed the fossil remains of two diminutive mammals that speak volumes about faunal diversity during the Jurassic Period.
Finch Findings
Finch Findings
Jenny Rood | Feb 12, 2015
Full genomes of Darwin’s Galápagos finches reveal a critical gene for beak shape and three overlooked species.
Trapped in Time
Trapped in Time
Jenny Rood | Feb 10, 2015
Ancient sulfur-eating deep-sea bacteria closely resemble modern variants, suggesting evolution may not occur in static environments.