News tagged with evolutionary biologist

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You're being followed: Scientists track movement of living things

Biology / Plants & Animals

created Nov 13, 2009 | popularity 4 / 5 (1) | comments 0

Almost 24 centuries after the Greek philosopher Aristotle wrote his book, "On the Movement of Animals," modern scientists are still struggling to understand how, why, when and where living creatures move.


Ancient penguin DNA raises doubts about accuracy of genetic dating techniques

Ancient penguin DNA raises doubts about accuracy of genetic dating techniques

Biology / Evolution

created Nov 10, 2009 | popularity 4.7 / 5 (23) | comments 15

Penguins that died 44,000 years ago in Antarctica have provided extraordinary frozen DNA samples that challenge the accuracy of traditional genetic aging measurements, and suggest those approaches have been ...


Book by UC Riverside biologist explains Darwin's 'Origin of Species'

Book by UC Riverside biologist explains Darwin's 'Origin of Species'

Biology / Evolution

created Nov 09, 2009 | popularity 5 / 5 (1) | comments 0

Many people have tried to read Charles Darwin's "Origin of Species," whose publication celebrates its 150th anniversary this month, but gave up.


New clues to the Falklands wolf mystery

New clues to the Falklands wolf mystery

Biology / Plants & Animals

created Nov 02, 2009 | popularity 4.7 / 5 (3) | comments 0

Ever since the Falklands wolf was described by Darwin himself, the origin of this now-extinct canid found only on the Falkland Islands far off the east coast of Argentina has remained a mystery. Now, researchers ...


Hunting for rhythm's DNA: Computational geometry unlocks a musical phylogeny

Hunting for rhythm's DNA: Computational geometry unlocks a musical phylogeny

Other Sciences / Social Sciences

created Oct 20, 2009 | popularity 5 / 5 (3) | comments 0

(PhysOrg.com) -- Does Bo Diddley rule the world? Though he died last year, the iconic singer and guitarist of American blues and rock still rules the rhythms of the world, says computer scientist Godfried ...


Ratchet-like genetic mutations make evolution irreversible

Ratchet-like genetic mutations make evolution irreversible

Biology / Evolution

created Sep 23, 2009 | popularity 4 / 5 (6) | comments 8

(PhysOrg.com) -- A University of Oregon research team has found that evolution can never go backwards, because the paths to the genes once present in our ancestors are forever blocked. The findings -- the ...


Research team finds first evolutionary branching for bilateral animals

Research team finds first evolutionary branching for bilateral animals

Biology / Evolution

created Sep 23, 2009 | popularity 3.8 / 5 (5) | comments 0

When it comes to understanding a critical junction in animal evolution, some short, simple flatworms have been a real thorn in scientists' sides. Specialists have jousted over the proper taxonomic placement ...


Novel research to root out how microbes affect rice plants

Novel research to root out how microbes affect rice plants

Biology / Cell & Microbiology

created Sep 08, 2009 | popularity not rated yet | comments 0

Plants that live in the soil don't live alone -- a mere teaspoon of soil teems with an estimated billion microscopic organisms.


Trust in a teardrop: Researcher says tears can help build, strengthen personal relationships

Other Sciences / Social Sciences

created Aug 24, 2009 | popularity 3.5 / 5 (2) | comments 1

Medically, crying is known to be a symptom of physical pain or stress. But now a Tel Aviv University evolutionary biologist looks to empirical evidence showing that tears have emotional benefits and can make interpersonal ...


Should females trust showy males?

Should females trust showy males?

Biology / Evolution

created Aug 21, 2009 | popularity 3.6 / 5 (5) | comments 4

(PhysOrg.com) -- How honest are males when using sexual displays to signal their eligibility to females?


Genome duplication responsible for more plant species than previously thought

Genome duplication responsible for more plant species than previously thought

Biology / Evolution

created Aug 12, 2009 | popularity not rated yet | comments 2

Extra genomes appear, on average, to offer no benefit or disadvantage to plants, but still play a key role in the origin of new species, say scientists from Indiana University Bloomington and three other institutions ...


Oldest evidence of leprosy found in 4000-year-old skeleton

Other Sciences / Archaeology & Fossils

created May 27, 2009 | popularity 4.8 / 5 (4) | comments 1

A biological anthropologist from Appalachian State University working with an undergraduate student from Appalachian, an evolutionary biologist from UNC Greensboro, and a team of archaeologists from Deccan College (Pune, ...


Daphnia Galeata

Jurassic Park from a Swiss lake?

Biology / Evolution

created Mar 12, 2009 | popularity 3.3 / 5 (3) | comments 1

Ecological changes caused by humans affect natural biodiversity. For example, the eutrophication of Greifensee and Lake Constance in the 1970s and 1980s led to genetic changes in a species of water flea which ...