Raindrop pockmarks may provide clue to the density of Earth's atmosphere 2.7 billion years ago when the Sun was 30 percent dimmer than today.
The tiny songbird, Northern Wheatear, has the stamina to make one of the farthest recorded migrations—scaled for body size—of any bird, as much as 9,000 miles in each direction between the North American Arctic and Africa.
Four new species of chameleons are discovered in Madagascar. Three rank among the world's smallest amneote vertibrates (the group comprising reptiles, birds, and mammals).
Projected slowdown of ozone loss by the end of the current decade can be seen as a first sign of ozone recovery
Discoveries of more complete remains of cartilagenous fishes have shed new light on the prehistory of sharks and their relatives.
New studies of the white shark (aka great white) show that its social life and hunting strategies are complex
With suggestions that Americans turn to economic account some of the smaller species of the Atlantic Coast
Or why the Cardiff Giants are an unbeatable and appropriately named team.
A true story of a lonely plant ecologist and his mischievous neighbors
From queen bees to elephant matriarchs, many animal mothers are assisted by others in rearing offspring.
A mammoth tusk is discovered during an excavation for a new building
Florida Museum of Natural History Study Provides New Insight.
An Internet guide to the importance of "gaze" in robot-human interactions
An Internet guide to the Iron Age Centic culture
An Internet guide to mineral magnetism
An Internet guide to the nanoworld
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Hear author Michio Kaku interviewed by Vittorio Maestro, Editor in Chief of Natural History. (MP3, 19 minutes) |