News tagged with evolutionary
Preferences shaped by evolution draw voters to candidates with lower-pitched voices
Voters prefer to choose candidates with lower-pitched voices, according to new findings by researchers at McMaster University.
Other Sciences / Social Sciences
Nov 14, 2011 |
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Paying for sex and 'playing dead' - the deceitful gift-giving spider
Male nursery web spiders (Pisaura mirabilis) prepare silk-wrapped gifts to give to potential mates. Most gifts contain insects, but some gifts are inedible plant seeds or empty exoskeletons left after the pr ...
Nov 13, 2011 |
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Study reveals clues to how humans became sociable
(PhysOrg.com) -- Humans have evolved to become the most flexible of the primates and being able to live in lots of different social settings sets us apart from non-human primates, suggests research by University ...
Nov 10, 2011 |
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Scientists find a new species of fungus -- in a wasp nest
While some researchers look for new species in such exotic places as the deep sea, tropical regions, or extreme environments, a team headed by Tufts researchers turned their attention towards nests of an invasive ...
Nov 09, 2011 |
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Professor was right: Mastodon weapon was older than thought, scientists say
It's not unusual for an archaeologist to get stuck in the past, but Carl Gustafson may be the only one consumed by events on the Olympic Peninsula in 1977.
Other Sciences / Archaeology & Fossils
Nov 07, 2011 |
4.6 / 5 (14) |
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New material of Early Cretaceous ornithurine bird Gansus supporting it’s a volant and diving bird
LI Yan, associate curator of Gansu Museum, collected 9 specimens of Gansus for further study during his fieldwork from 2002 to 2004. He and his collaborators from Institute of Vertebrate Paleontology and Paleoanthropology, ...
Other Sciences / Archaeology & Fossils
Nov 07, 2011 |
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Whales off Calif. coast draw crowds, warning
(AP) -- The U.S. Coast Guard on Wednesday monitored the waters off Santa Cruz, where a pod of whales has settled unusually close to shore drawing crowds and threatening the safety of kayakers and other boaters ...
Nov 02, 2011 |
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The genographic project confirms humans migrated out of Africa through Arabia
Evolutionary history shows that human populations likely originated in Africa, and the Genographic Project, the most extensive survey of human population genetic data to date, suggests where they went next. ...
Nov 02, 2011 |
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Mapping mollusks: Researchers use genetic tools to complete family tree
What do a typical garden snail and an octopus have in common, besides the occasional appearance on the plates of adventurous diners? More than you may realize. Both are mollusks, a group of animals that includes ...
Nov 02, 2011 |
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Of mice and men
(PhysOrg.com) -- How have humans and mice changed since we diverged about 75 million years ago from a small, furry common ancestor? Apart from the obvious, of course.
Nov 02, 2011 |
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Different paths to drug resistance in Leishmania
Two remarkable discoveries were today revealed by researchers into genome analysis of Leishmania parasites. These results uncovered a surprising level of variation at the genome structure level.
Oct 27, 2011 |
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Do bacteria age? Biologists discover the answer follows simple economics
When a bacterial cell divides into two daughter cells and those two cells divide into four more daughters, then 8, then 16 and so on, the result, biologists have long assumed, is an eternally youthful population of bacteria. ...
Oct 27, 2011 |
4.9 / 5 (30) |
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Insects are scared to death of fish
The mere presence of a predator causes enough stress to kill a dragonfly, even when the predator cannot actually get at its prey to eat it, say biologists at the University of Toronto.
Oct 27, 2011 |
not rated yet |
5
Researchers complete mollusk evolutionary tree
Mollusks have been around for so long (at least 500 million years), are so prevalent on land and in water (from backyard gardens to the deep ocean), and are so valuable to people (clam chowder, oysters on ...
Oct 26, 2011 |
4.7 / 5 (3) |
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Archaeopteryx was first bird after all
(PhysOrg.com) -- The crown of the famous 150-million-year-old Archaeopteryx fossil as the first bird has been restored by a new evolutionary tree.
Other Sciences / Archaeology & Fossils
Oct 26, 2011 |
4.1 / 5 (7) |
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