(PhysOrg.com) -- Males have more pronounced personalities than females across a range of species - from humans to house sparrows - according to new research. Consistent personality traits, such as aggression and daring, are ...
Plants & Animals
Nov 18, 2009
3
0
Intensive harvesting of the largest fish over many decades, while leaving the small fish behind, may have unintentionally genetically reprogrammed many species to grow smaller, said lead author Dr. David O. Conover, Professor ...
Evolution
Mar 3, 2009
2
0
Spectacularly increased yields and improved taste have been achieved with hybrid tomato plants by researchers at the Robert H. Smith Faculty of Agriculture, Food and Environment at the Hebrew University and the Cold Spring ...
Biotechnology
Apr 6, 2010
2
0
Researchers have found that a 150 million year old "dinobird" fossil, long thought to contain nothing but fossilized bone and rock, has been hiding remnants of the animal's original chemistry. Using the bright X-ray beam ...
Archaeology
May 10, 2010
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0
Science has known about plant hormones since Charles Darwin experimented with plant shoots and showed that the shoots bend toward the light as long as their tips, which are secreting a growth hormone, aren't cut off.
Biotechnology
Jun 18, 2012
1
0
It's sometimes difficult to imagine how the planet we call home, with its megalopolis cities and serene farmlands, was once dominated by dinosaurs as big as buses and five-story buildings. But recent research has helped deepen ...
Evolution
Mar 20, 2023
0
5
In the century and a half since Charles Darwin's publication of The Origin of Species, evolutionary theory has become the bedrock of modern biology, yet its application to the understanding of the human mind remains controversial. ...
Evolution
Jul 19, 2011
7
0
Charles Darwin, the British naturalist who championed the theory of evolution, noted that corals form far-reaching structures, largely made of limestone, that surround tropical islands. He didn't know how they performed this ...
Ecology
Apr 8, 2021
3
1181
"The sounds uttered by birds offer in several respects the nearest analogy to language," Charles Darwin wrote in "The Descent of Man" (1871), while contemplating how humans learned to speak. Language, he speculated, might ...
Social Sciences
Feb 21, 2013
1
0
(AP)—The unique bird and reptile species that make the Galapagos Islands a treasure for scientists and tourists must be preserved, Chilean authorities say—and that means the rats must die, hundreds of millions of them.
Ecology
Nov 14, 2012
2
0
