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Exotic Chameleon Spends Most of its Life as an Egg

July 11, 2008 | User rating: 4.9 / 5 after 26 vote(s) | User comments: 3

(PhysOrg.com) -- Scientists have discovered a chameleon species that spends a good two-thirds of its life inside an egg: Furcifer labordi lives about 8-9 months as an embryo, and has a post-hatching ...


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 66 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) | No comments yet

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 ...


First genome transplant changes one species into another

August 16, 2007 | User rating: 4.7 / 5 after 118 vote(s) | No comments yet

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 ...


Scientists say Darwin's 'Tree of Life' not the theory of everything

March 12, 2007 | User rating: 4.2 / 5 after 69 vote(s) | No comments yet

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: 3.4 / 5 after 76 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 73 vote(s) | No comments yet

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) | No comments yet

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 ...


Evolution of Old World fruit flies on three continents mirrors climate change

August 31, 2006 | User rating: 4.8 / 5 after 22 vote(s) | No comments yet

Fast-warming climate appears to be triggering genetic changes in a species of fruit fly that is native to Europe and was introduced into North and South America about 25 years ago.


Uranium 'pearls' before slime

August 08, 2006 | User rating: 4.9 / 5 after 47 vote(s) | No comments yet

Since the discovery a little more than a decade ago of bacteria that chemically modify and neutralize toxic metals without apparent harm to themselves, scientists have wondered how on earth these microbes do ...


Ancient Global Warming Drove Early Primates' Dispersal

July 25, 2006 | User rating: 3.8 / 5 after 13 vote(s) | No comments yet

The continent-hopping habits of early primates have long puzzled scientists, and several scenarios have been proposed to explain how the first true members of the group appeared virtually simultaneously on Asia, Europe and ...


Researchers Isolate Microorganisms That Convert Hydrocarbons to Natural Gas

August 19, 2008 | User rating: 4.5 / 5 after 22 vote(s) | User comments: 2

(PhysOrg.com) -- When a group of University of Oklahoma researchers began studying the environmental fate of spilt petroleum, a problem that has plagued the energy industry for decades, they did not expect to eventually isolate ...


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