 Large mammal species live harder, die out faster May 07, 2008 | User rating: 4.4 / 5 after 27 vote(s)
| User comments: 3
Throughout Earth’s history, species have come and gone, being replaced by new ones that are better able to cope with life’s challenges. But some species last longer than others, while others may die out sooner ... | |
 Why Are Pygmies Short? December 21, 2007 | User rating: 4.2 / 5 after 65 vote(s)
| User comments: 11
The question is controversial. Traditional explanations attribute pygmies' small stature to minimizing caloric requirements and walking in dense forests. However, a new study by researchers at the University ... | |
 Algae could generate hydrogen for fuel cells November 13, 2007 | User rating: 4.6 / 5 after 115 vote(s)
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For several decades, scientists have known that certain species of algae can produce hydrogen in anaerobic conditions. More recently, researchers have been trying to take advantage of this ability to produce ... | |
 Plants live, die according to their size October 22, 2007 | User rating: 4.4 / 5 after 40 vote(s)
| User comments: 2
Plants self-regulate their populations to maintain stability and optimize their lives, with the lengths of their lives directly related to their mass, a recent study has found. Further, a single scaling power ... | |
 Bats may use magnetic polarity for navigation September 20, 2007 | User rating: 4.6 / 5 after 33 vote(s)
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Researchers have found that bats have a special ability to detect the polarity of a magnetic field, meaning that the creatures can tell the difference between north and south. The only other animal known to ... | |
 First genome transplant changes one species into another August 16, 2007 | User rating: 4.7 / 5 after 118 vote(s)
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For the first time, scientists have completely transformed a species of bacteria into another species by transplanting its complete set of DNA. The achievement marks a significant step toward the construction ... | |
 Divide-and-conquer strategy key to fast protein folding August 06, 2007 | User rating: 4.4 / 5 after 25 vote(s)
| No comments yet
Researchers have found that proteins may use a divide-and-conquer strategy to fold into their native states in mere microseconds. The physical strategy, called “zipping and assembly” (ZA), can increase the ... | |
 Scientists say Darwin's 'Tree of Life' not the theory of everything March 12, 2007 | User rating: 4.2 / 5 after 69 vote(s)
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There is only one figure in On the Origin of Species, and that is a tree diagram. As Darwin’s model for the theory of evolution, he used the Tree of Life (TOL) to clearly and visually explain the interrelatedness ... | |
Is there a homosexuality gene? December 07, 2006 | User rating: 3.5 / 5 after 73 vote(s)
| No comments yet
Although biologists are still far from answering this question, scattered evidence for a possible gene influencing sexual orientation has recently encouraged scientists to map out a guide to future research. Because many ... | |
 The evolution of intelligence, and why our brains have shrunk November 22, 2006 | User rating: 3.8 / 5 after 72 vote(s)
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One of the main differences between humans and other animals is our larger brain size—but what prompted and guided this growth? Wanting to better understand the origins of human uniqueness, scientists from ... | |
Study finds facial expressions are inherited November 07, 2006 | User rating: 4.2 / 5 after 38 vote(s)
| No comments yet
Scientists have found that family members share a facial expression “signature”—a unique form of the universal facial expressions encountered worldwide. In a rare study taking into account blind subjects, Gili Peleg, et ... | |
 New motor first to be powered by living bacteria October 12, 2006 | User rating: 4.7 / 5 after 103 vote(s)
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A new motor designed by scientists from Japan offers the best of both worlds: the living and the non-living. The group built a hybrid micromachine that is powered by gliding bacteria which travels on an inorganic ... | |
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