Largest prehistoric snake on record discovered in Colombia (Video)
Other Sciences / Archaeology & Fossils
Feb 04, 2009 |
4.3 / 5 (21) |
19
Scientists have recovered fossils of a 60-million-year-old South American snake whose length and weight might make today's anacondas and reticulated pythons seem a bit cuter and more cuddly.
Engineering graduate student narrows gap between high-resolution video and virtual reality
Technology / Computer Sciences
Feb 04, 2009 |
4.7 / 5 (15) |
2
(PhysOrg.com) -- With their immersive 3D capabilities, virtual-reality environments (VEs) provide the kind of intense visual experience that two-dimensional digital televisions could never to live up to. But ...
Early whales gave birth on land, fossil find reveals (Video)
Other Sciences / Archaeology & Fossils
Feb 04, 2009 |
4.3 / 5 (11) |
2
(PhysOrg.com) -- Two newly described fossil whales---a pregnant female and a male of the same species--reveal how primitive whales gave birth and provide new insights into how whales made the transition from ...
Signs point to sponges as earliest animal life
Biology /
Feb 04, 2009 |
4.3 / 5 (11) |
26
(PhysOrg.com) -- Even Charles Darwin was puzzled by the apparently sudden appearance in the fossil record of a great variety of multicellular creatures — a rapid blossoming known as the Cambrian explosion. ...
New plasma transistor could create sharper displays
Feb 04, 2009 |
4.7 / 5 (9) |
2
(PhysOrg.com) -- By integrating a solid-state electron emitter and a microcavity plasma device, researchers at the University of Illinois have created a plasma transistor that could be used to make lighter, ...
Rich man, poor man: study shows body language can indicate socioeconomic status
Medicine & Health / Psychology & Psychiatry
Feb 04, 2009 |
3.3 / 5 (11) |
8
A new study in Psychological Science reveals that nonverbal cues can give away a person's socioeconomic status (SES). Volunteers whose parents were from upper SES backgrounds displayed more disengagement-related behaviors compar ...
Global warming may delay recovery of stratospheric ozone
Space & Earth / Earth Sciences
Feb 04, 2009 |
2.1 / 5 (16) |
9
Increasing greenhouse gases could delay, or even postpone indefinitely the recovery of stratospheric ozone in some regions of the Earth, a new study suggests. This change might take a toll on public health.
Xenophobia, for men only
Medicine & Health / Psychology & Psychiatry
Feb 04, 2009 |
4.4 / 5 (7) |
0
Very few people fear dandelions. Or even dangerous things - like Hummers. We may object to outsized automobiles on principle, but the mere sight of them doesn't make us tremble and sweat and run away. On the other hand, even ...
Scientists discover source of cancer stem cells' resistance to radiation
Feb 04, 2009 |
5 / 5 (6) |
2
Much to the dismay of patients and physicians, cancer stem cells — tiny powerhouses that generate and maintain tumor growth in many types of cancers — are relatively resistant to the ionizing radiation often used as therapy ...
Study suggests link between agricultural chemicals and frog decline
Feb 04, 2009 |
3.3 / 5 (9) |
7
(PhysOrg.com) -- Around the world, amphibian populations are in decline, and scientists have not been able to figure out why. Now a study of leopard frogs in Pennsylvania has identified a possible culprit, ...
Strategies for Retailers Fighting Price Wars
Technology / Computer Sciences
Feb 04, 2009 |
2.9 / 5 (10) |
4
(PhysOrg.com) -- All retail companies want to maximize their profits, while at the same time maintaining high market share compared with their competitors. One way to do this is by promising to offer the lowest ...
Powerful New Technique to Measure Asteroids' Sizes and Shapes
Feb 04, 2009 |
4.6 / 5 (5) |
3
A team of French and Italian astronomers have devised a new method for measuring the size and shape of asteroids that are too small or too far away for traditional techniques, increasing the number of asteroids ...
New findings reveal how influenza virus hijacks human cells
Biology /
Feb 04, 2009 |
4.6 / 5 (5) |
0
Influenza is and remains a disease to reckon with. Seasonal epidemics around the world kill several hundred thousand people every year. In the light of looming pandemics if bird flu strains develop the ability ...
Eliminating the threat of nuclear arms
Feb 04, 2009 |
3.5 / 5 (6) |
31
President Barack Obama has made his intention of eliminating all nuclear weapons a tenet of his administration's foreign policy. Professor Sidney Drell, a US theoretical physicist and arms-control expert, explains in February's ...
Ancient geologic escape hatches mistaken for tube worms
Biology /
Feb 04, 2009 |
4.2 / 5 (5) |
0
Tubeworms have been around for millions of years and the fossil record is rich with their distinctive imprints. But a discovery made by U of C scientists found that what previous researchers had labeled as tubeworms in a ...
