 Lovers and liars: How many sex partners have you really had? February 13, 2006 | User rating: 3.2 / 5 after 63 vote(s)
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Lovers and public health officials want an answer to the following question: How many opposite-sex partners have you had in your lifetime? | |
 Space propulsion breakthrough: new spacecraft ion engine tested January 11, 2006 | User rating: 4.8 / 5 after 692 vote(s)
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The European Space Agency and the Australian National University have successfully tested a new design of spacecraft ion engine that dramatically improves performance over present thrusters and marks a major ... | |
 Why a hydrogen economy doesn't make sense December 11, 2006 | User rating: 4.2 / 5 after 420 vote(s)
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In a recent study, fuel cell expert Ulf Bossel explains that a hydrogen economy is a wasteful economy. The large amount of energy required to isolate hydrogen from natural compounds (water, natural gas, biomass), ... | |
 40% efficient solar cells to be used for solar electricity June 01, 2007 | User rating: 4.6 / 5 after 450 vote(s)
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Scientists from Spectrolab, Inc., a subsidiary of Boeing, have recently published their research on the fabrication of solar cells that surpass the 40% efficiency milestone—the highest efficiency achieved ... | |
 Light's Most Exotic Trick Yet: So Fast it Goes ... Backwards? May 11, 2006 | User rating: 4.6 / 5 after 345 vote(s)
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In the past few years, scientists have found ways to make light go both faster and slower than its usual speed limit, but now researchers at the University of Rochester have published a paper today in Science ... | |
 Energy from ceramics August 17, 2006 | User rating: 4.7 / 5 after 56 vote(s)
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Micro fuel cells are already being acclaimed as an alternative to batteries. However, producing them from hundreds of tiny separate parts is complex and expensive. An alternative is now available: ceramic fuel ... | |
 Interstellar Spaceflight: Is It Possible? December 07, 2005 | User rating: 3.3 / 5 after 287 vote(s)
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With current space travel limited to just a few robotic probes visiting nearby planets, how realistic is it to think about reaching the nearest stars? For the short term, not very – especially when we speak ... | |
 'Mach c'? Scientists observe sound traveling faster than the speed of light January 17, 2007 | User rating: 4.1 / 5 after 193 vote(s)
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For the first time, scientists have experimentally demonstrated that sound pulses can travel at velocities faster than the speed of light, c. William Robertson’s team from Middle Tennessee State University ... | |
 A Giant Trilobite on the Sun September 19, 2007 | User rating: 3.9 / 5 after 83 vote(s)
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"We've never seen anything quite like it," says solar physicist Lika Guhathakurta from NASA headquarters. | |
 3-D model shows big body of water in Earth's mantle February 08, 2007 | User rating: 4.5 / 5 after 276 vote(s)
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A seismologist at Washington University in St. Louis has made the first 3-D model of seismic wave damping — diminishing — deep in the Earth's mantle and has revealed the existence of an underground water reservoir ... | |
 Scientists build world's first single-molecule car October 20, 2005 | User rating: 3.8 / 5 after 132 vote(s)
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Rice University Scientists have done it. After BMW announced the possibility of producing a car that would utilize nanotechnology practically for all functions, Rice University scientists developed the world’s ... | |
Myth: Eating turkey makes you sleepy November 23, 2005 | User rating: 3.9 / 5 after 95 vote(s)
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There's reportedly good Thanksgiving news for turkey lovers: Contrary to popular belief, tryptophan in turkey doesn't cause drowsiness. | |
 Robot walks on water July 11, 2007 | User rating: 4.1 / 5 after 131 vote(s)
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Water striders, insects that walk on the surface of the water, may never set foot on land in their lives, and yet they’re not swimmers. Over the past million or so years, this insect—sometimes called a water ... | |
Scientists discover why flies are so hard to swat August 28, 2008 | User rating: 4.2 / 5 after 112 vote(s)
| User comments: 11
(PhysOrg.com) -- Over the past two decades, Michael Dickinson has been interviewed by reporters hundreds of times about his research on the biomechanics of insect flight. One question from the press has always dogged him: ... | |
 South Pole Neutrino Detector Could Yield Evidences of String Theory January 26, 2006 | User rating: 4.7 / 5 after 276 vote(s)
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Researchers at Northeastern University and the University of California, Irvine say that scientists might soon have evidence for extra dimensions and other exotic predictions of string theory. Early results ... | |
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