The story of fertilization, from the female point of view
Whether the chicken or the egg came first doesn’t occupy biologist Luca Jovine’s thoughts too much. Animals have been laying eggs for millions of years, after all. Over time, evolution has reshaped both the eggs and the creatures hatched from them.
Note: To comment, Science News subscribing members must now establish a separate login relationship with Disqus. Click the Disqus icon below, enter your e-mail and click “forgot password” to reset your password. You may also log into Disqus using Facebook, Twitter or Google.