How Honeybee Queens Avoid Inbreeding

How Honeybee Queens Avoid Inbreeding

Genetic variation is important in a healthy population and recombination, or crossing-over, which occurs when sperm and egg cells are formed and segments of each chromosome pair are interchanged, is…
Testosterone And The Bird Bang Theory

Testosterone And The Bird Bang Theory

A new study of animal behavior suggests that evolution is hard at work when it comes to the acrobatic courtship dances of  male golden-collared manakins, a tropical bird species. There are about…
Infectious Ants Become Antisocial

Infectious Ants Become Antisocial

Looking after yourself, and trying not to infect others, is a good strategy to prevent disease from spreading - not only if you are a considerate co-worker, but also if you are an ant, meerkat or…
Why Does The Pinocchio Lizard  Have A Long Nose?

Why Does The Pinocchio Lizard Have A Long Nose?

For more than 50 years, people said that the "Pinocchio Lizard" (horned anole lizard), called such for its long, protruding nose, was extinct, but that was just a fib by nature.  In 2005, it was…