What Causes Ice Ages....Or Global Warming?
We know from the rock record and cores taken from polar ice caps that periods of global cooling (ice ages, or periods of glaciation) have alternated with warmer, more temperate periods having climates similar to what we now experience (interglacial periods).…
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More science facts
Astronomy
A Satellite Of Our Own
The regular daily and monthly rhythms of Earth's only natural satellite, the Moon, have guided timekeepers for…
Biology
Where Do Frogs Go In The Winter?
Mammals are endotherms, meaning they maintain a constant body temperature no matter what the environmental…
Geology
You, Graphite and Diamonds
Living things, including you and me, and diamonds, are made of the same substance: the element carbon (C).…
Engineering
It's A Bird, It's A Plane -- No, It's A Clam!
Not all animals glide or fly in the air. Many marine animals are masters of 'flight' and speed under the…