egg
Cretaceous Easter Eggs
Cristina Luiggi | Apr 9, 2012
Researchers discover a 70-million-year-old egg that belonged to a small, bird-like meat-eating dinosaur.
A Gamete Matchmaker
Hannah Waters | Mar 22, 2012
Chemical cues dispersed by mussel eggs may attract sperm that are their perfect match.
Our own 60 mutations
Jef Akst | Jun 15, 2011
New estimates of human mutation suggest that each of us harbor approximately 60 novel genetic mutations.