A round-up of recent discoveries in behavior research
Bamboo sharks still developing in their egg cases respond to a predator presence by ceasing movement and even breathing.
Carl Woese, the discoverer of the third domain of life, has passed away at age 84.
In the final chapter of his book on the origins of vertebrate sex, author and paleontologist John Long pays homage to the humble placoderm, which got the erotic ball rolling.
The rise of copulation as a vertebrate reproductive strategy may have driven crucial evolutionary change and explosive species radiation.
How photosynthetic organisms get taken up, passed around, and discarded throughout the eukaryotic domain
Comparing gene transcripts from different species reveals surprising splicing diversity.
This year, US politics was dominated by the run-up to October elections, with science policy issues playing a role here and elsewhere around the world.
The science images and videos that captured our attention in 2012
Archaea packages DNA around histones in a similar way to eukaryotes, suggesting that fitting a large genome into a small space was not the original role of chromatin.