Bird sex fascinated medieval thinkers as much as people today

Modern researchers know about the cuckoo’s cross-species brood parasitism – but one Roman emperor observed this more than 700 years ago.
New Scientist

Sperm's evolutionary origins go back before multicellular animals

Analysis of the DNA and proteins of a range of animals has revealed that sperm’s molecular toolkit arose in our single-celled ...
AZ Animals on MSN

The Fascinating Life Cycle of Snakes

Female snakes can produce their offspring in several different ways. Many people assume that all snakes lay eggs, but the ...
Discover Wildlife

An animal that can give birth through its back and a creature that can project its ribs through its skin to launch poison: 7 weirdest amphibians on the planet

Once they near emergence, the female's thin skin bulges and pulsates with the struggles of the impatient froglets. The day ...
JSTOR Daily

The Effect of Toe-Clipping on the Gecko Hemidactylus turcicus

Journal of Herpetology, Vol. 34, No. 2 (Jun., 2000), pp. 282-285 (4 pages) This item is part of a JSTOR Collection. For terms of use, please refer to our Terms ...