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How your mother might affect your memory

A new study in mice suggests that a mother's childhood experiences may affect the brain function of her offspring. Researchers found that mouse moms who were physically active, stimulated and changed their living arrangements frequently as youngsters gave birth to babies with better memory than those born to mothers raised in dull environments.

February 3, 2009 — Coco Ballantyne

Astronomers turn up smallest exoplanet yet

The exoplanet express just keeps on rolling: The European Space Agency (ESA) today announced the discovery of the smallest known planet orbiting a normal star other than the sun.

February 3, 2009 — John Matson

It's raining hydrocarbons on Saturn's mysterious moon

Titan, Saturn's largest moon, has a curious abundance of methane, both in its atmosphere and in massive liquid pools on the surface. As with Mars, the presence of the relatively short-lived compound on Titan raises questions about its origin.

February 3, 2009 — John Matson

Daschle withdraws as HHS secretary nominee

Tom Daschle withdrew his nomination as health secretary today following growing criticism of his failure to pay more than $120,000 in taxes, according to published reports.

February 3, 2009 — Jordan Lite

Iran launches a satellite into space

Iran says it launched a satellite last night as part of what officials there described as the country’s bid to develop a space program.

The satellite, named Omid, or “hope,” was “successfully sent into orbit” with a Safir 2 (or "ambassador") rocket, according to IRNA, Iran’s official news agency.

February 3, 2009 — Jordan Lite

Skin check for cancer? You may not need one

Do you obsessively scrutinize your skin for unusual blemishes and visit your doc for an annual whole-body check for cancer? It may not do you any good, a panel of government experts says.

February 2, 2009 — Jordan Lite

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Introducing Scientific American Health & Medicine

Introducing Scientific American Health & Medicine