What does it really mean when a person "catches the scent" of another? An evolutionary biologist set out to discover if and how our sense of smell influences our choice of a mate. The immune system's MHC genes often appear to play a key role.
Sex is a serious business for arachnids, and male spiders are often eaten by the female after mating. So spiders have had to develop strategies to help pass on their genes. The males have found a work-around.
A study shows that giant pandas would prefer to pick their own sex partners - just like humans. With their preferred partner, a panda mates more often - and has more babies. Important information for breeding programs.
Off the coast of New Zealand, conservationists are sequencing the genome of kakapo parrots to try and bring the bizarre flightless bird back from the brink. They're also tracking every detail of its strange sex life.
It has been traveling through countless galaxies for 50 years. Now, in the 13th feature film based on the "Star Strek" series, the USS Enterprise is off on yet another new mission. Revisit the cult.
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