Logo IMG

Science in the News Weekly

On Mars, Ice and Salt

An electrical short in the Phoenix Lander's mechanical arm delayed its exploration of the Martian north pole last week, but new photos on Saturday revealed that the spacecraft's thrusters had uncovered a large patch of ice, which is exactly what scientists hope to sample and analyze.

Save to Library

A Step Toward Thought-Controlled Machines

In last week's issue of Nature, researchers reported a dramatic advance in brain-machine interface. Two monkeys with tiny sensors implanted in their brains were able to control a mechanical arm with their thoughts. It suggests that brain-controlled prosthetics, if not yet practical, are at least technically feasible.

Save to Library

Ancient Past: A New Meaning for Stonehenge?

British archaeologists said last week that Stonehenge, the prehistoric stone monument, appears to have served as a cemetery for as long as 500 years and may have been a burial site for a single important family, perhaps a royal dynasty.

Save to Library

Biomedicine: A Senator's Illness in America, Hybrid Embryos in Britain

The announcement last week that U.S. senator Edward Kennedy has a malignant brain tumor (a glioma) prompted many media outlets to report on the treatment options and prognosis for this medical condition. ...

Save to Library

A Hidden Risk of Biofuel Crops

Such non-food crops as reeds and wild grasses may seem an attractive alternative to corn for making biofuel, but scientists warned last week that many of the crops being discussed qualify as invasive species. As such, they could spread to adjacent farms and other land, doing economic and ecological harm in the process. ...

Save to Library

Hybrid Auto Sales? 'I'm Selling Every One I Can Get My Hands On'

With the price of gasoline nearing $4 a gallon, many American motorists are deciding that hybrid cars represent a technology whose time has come. Dealers are selling them as fast as they are delivered. But it takes a lot of driving to offset the sticker price. ...

Save to Library

New Fossil Finds in Texas, Denmark, Yemen

A fossil rediscovered in the National Museum of Natural History in Washington, D.C., could provide new insights into the origins of modern amphibians. Experts say the 290-million-year-old fossil, found in Texas in the 1990s, suggests the creature had features of both frogs and salamanders. ...

Save to Library

After 422 Million Miles, Phoenix Touches Down

Mars was a big news-maker last week, with the successful landing on Sunday of the Phoenix Mars Lander. The probe performed perfectly, which was a relief in the wake of the 1999 disappearance of the Mars Polar Lander. ...

Save to Library

Total Records : 1188


Connect With Us:

Facebook Icon Sm Twitter Icon Google+ Icon Pinterest Icon RSS Feed Instagram Icon

Latest Multimedia

Click to Enlarge Image

VIDEO: How Hair Ice Grows

In 2013, American Scientist featured an article on odd ice formations on plant stems, including these curling ribbons of ice. One of the types of ice discussed in the article was hair ice—long, thin strands of ice that grow under quite specific conditions. The only problem is that a new study shows the theory put forth at the time—that gas pressure pushes the water out—isn’t correct... (click the link above to read more).

To view all multimedia content, click "Latest Multimedia."

RSS Feed Subscription

Receive notification when new content is posted from the entire website, or choose from the customized feeds available.

Subscribe to American Scientist