News tagged with biological evidence
Alan Turing's 1950s tiger stripe theory proved
Researchers from King's College London have provided the first experimental evidence confirming a great British mathematician's theory of how biological patterns such as tiger stripes or leopard spots are ...
Feb 19, 2012 |
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Competition is at the root of diversity in rainforests: study
Another attractive theory falls foul of the facts. A census of trees in rainforests on three continents has confirmed that competition plays a central role in structuring communities. This contradicts the so-called neutral ...
Jan 26, 2012 |
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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 |
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Genetic evidence clears Ben Franklin (w/ Video)
The DNA evidence is in, and Ben Franklin didn't do it. Genetic tests on more than 1,000 Chinese tallow trees from the United States and China show the famed U.S. statesman did not import the tallow trees ...
Jul 29, 2011 |
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With climate changes, polar bear and brown bear lineages intertwine
Polar bears' unique characteristics allow them to survive in one of the most extreme environments on Earth, but that survival is now threatened as rising temperatures and melting ice reshape the Arctic landscape. Now it appears ...
Jul 07, 2011 |
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Scientists discover new direction in Alzheimer's research
In what they are calling a new direction in the study of Alzheimer's disease, UC Santa Barbara scientists have made an important finding about what happens to brain cells that are destroyed in Alzheimer's ...
Jun 06, 2011 |
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New statistical model moves human evolution back 3 million years
Evolutionary divergence of humans from chimpanzees likely occurred some 8 million years ago rather than the 5 million year estimate widely accepted by scientists, a new statistical model suggests.
Other Sciences / Archaeology & Fossils
Nov 05, 2010 |
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DNA evidence tells 'global story' of human history
In recent years, DNA evidence has added important new tools for scientists studying the human past. Now, a collection of reviews published by Cell Press in a special issue of Current Biology published online on February 22nd o ...
Feb 22, 2010 |
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Nepotism has its benefits when it comes to survival
While nepotism may have negative connotations in politics and the workplace, being surrounded by your relatives does lead to better group dynamics and more cooperation in some animals. That certainly seems ...
Oct 26, 2009 |
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Re-examining Darwin’s thoughts on species
James Mallet is out to rehabilitate Charles Darwin’s reputation on species. It may seem strange that such a founding father of modern biological thought as Darwin could run afoul of something so basic, but ...
Oct 01, 2009 |
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Australia discovered by the 'Southern Route'
Genetic research indicates that Australian Aborigines initially arrived via south Asia. Researchers writing in the open access journal BMC Evolutionary Biology have found telltale mutations in modern-day Indian populations that a ...
Jul 21, 2009 |
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Is vitamin D deficiency linked to Alzheimer's disease and vascular dementia?
There are several risk factors for the development of Alzheimer's disease and vascular dementia. Based on an increasing number of studies linking these risk factors with Vitamin D deficiency, an article in the current issue ...
Medicine & Health / Diseases, Conditions, Syndromes
May 26, 2009 |
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The role of inbreeding in the extinction of the Spanish Habsburg dynasty
The powerful Habsburg dynasty ruled Spain and its empire from 1516 to 1700 but when King Charles II died in 1700 without any children from his two marriages, the male line died out and the French Bourbon dynasty came to power ...
Apr 15, 2009 |
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First Americans arrived as 2 separate migrations, according to new genetic evidence
The first people to arrive in America traveled as at least two separate groups to arrive in their new home at about the same time, according to new genetic evidence published online on January 8th in Current Biology, a Cell ...
Biology /
Jan 08, 2009 |
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