13/03/2007

Cassini Images Seas on Saturn's Moon Titan

Instruments on NASA's Cassini spacecraft have found evidence for seas, likely filled with liquid methane or ethane, in the high northern latitudes of Saturn's moon Titan. One such feature is larger than any of the Great Lakes ...

Study shows how blood cells change shape

Millions of times during their four-month lifespan, human red blood cells must squeeze through tiny capillaries to deliver their payload of oxygen and pick up waste carbon dioxide-functions essential to life.

Fossil shows human growth at least 160,000 years ago

With an innovative combination of a novel application of synchrotron imaging, high-resolution microtomography, and developmental analysis, the team reconstructed tooth growth and determined the age at death of a fossil juvenile ...

Creating a nanoscale laser

“Nowadays, people and companies want to try to make smaller and smaller integrated circuits. In order to do this, low-power optical devices, like lasers, are needed,” Tom Savels tells PhysOrg.com. Savels, a scientist ...

Why aren't humans furry? Stone-Age moms could be the answer

Medical Hypotheses, an Elsevier publication, has announced the winner of the 2006 David Horrobin Prize for medical theory. Written by Judith Rich-Harris, author of The Nurture Assumption and No Two Alike, the article, "Parental ...

Research provides model for improving alternative energy source

In the debate over alternative energy resources, geothermal technology has received scant media attention. Advocates call it one of the cleanest, sustainable energy resources available. However, steep construction, equipment ...

Star family seen through dusty fog

Images made with ESO's New Technology Telescope at La Silla by a team of German astronomers reveal a rich circular cluster of stars in the inner parts of our Galaxy. Located 30,000 light-years away, this previously unknown ...

Hackers get bum rap for corporate America's digital delinquency

If Phil Howard’s calculations prove true, by year’s end the 2 billionth personal record – some American’s social-security or credit-card number, academic grades or medical history – will become compromised, and ...

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