Tracking the shadows cast by sperm reveals their precise 3-D movements.
Tracking the shadows cast by sperm reveals their precise 3-D movements.
How photosynthetic organisms get taken up, passed around, and discarded throughout the eukaryotic domain
Comparing gene transcripts from different species reveals surprising splicing diversity.
After undergoing untested cosmetic surgery that uses stem cells to rejuvenate skin, a woman grew bone fragments in the flesh around one of her eyes.
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.
Tumor cells can exhibit different behaviors despite being genetically indistinguishable.
In the wake of Hurricane Sandy, climate scientists should make their consensus about climate change known to all who care to listen.
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.
Scientists engineer a spectrum of artificial pigments to understand how animals see in color.
A bill that would increase visas for foreign-born, US-trained science and engineering graduates passes in the House, but is unlikely to get through Senate.