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Mass Extinction

January 11, 2005

An asteroid probably did not cause a mass extinction 250 million years ago.

January 10, 2005

Young babies pay more attention to sounds than pictures.

January 7, 2005

Is there a black hole at the center of the universe? (The universe has no center.)

January 6, 2005

Albert Einstein's 1905 paper on the theory of general relativity

January 5, 2005

Albert Einstein's 1905 paper on how heat can be explained by the atomic nature of matter

January 4, 2005

Albert Einstein's 1905 paper on the quantum nature of light

January 3, 2005

In 1905, Albert Einstein submitted three revolutionary papers on physics to a German journal.

December 30, 2004

Insulin regulates alcohol intoxication in fruit flies.

December 29, 2004

A new program to design drugs to cure mental illness, not just treat symptoms.

December 28, 2004

Why does earth's magnetic field reverse polarity? (Currents of molten iron flowing in the core)

December 27, 2004

If you go shopping for necessities, it's easier to get carried away and overbuy.