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A gliding snake gets some lift by spreading its ribs, but much about its flight remains a mystery.
Many males of the tiny soil organisms sustain their species by leaving drops of sperm glistening here and there in the landscape in case a female chooses to pick one up.
The orchid mantis uses a flowery subterfuge to lure prey.
Combat between fungal individuals is a bit like war between heaps of spaghetti.
It’s a real animal, the smallest armadillo species in the world. At about 100 grams, it would fit in your hands.
Your calamari, it turns out, may have come from a temporary transvestite with rainbows in its armpits.
A vampire bat drinks one meal a night, and missing just three nights in a row would probably kill the animal.
This flower isn’t just any old sex cheat. It can be sexually deceptive three ways and in 3-D.
Giant sperm appear in various other species, including some flatworms, beetles and a fruit fly species, Drosophila bifurca, with sperm nearly 6 centimeters long.