Evolution News and Research

RSS

Infant carrying ruled out as reason why humans walk upright

Scientists investigating the reasons why early humans - the so-called hominins - began walking upright say it's unlikely that the need to carry children was a factor, as has previously been suggested.

From The University of Manchester 23 Apr 2008

Skin lesions larger than 6 millimeters more likely to be melanomas

Skin lesions larger than 6 millimeters in diameter appear more likely to be melanomas than smaller lesions, according to a report in the April issue of Archives of Dermatology. The findings suggest that the diameter guidelines currently used by dermatologists to screen for melanoma are useful.

21 Apr 2008

Gene mutation helps protect against malaria

New research suggests that not everyone who is bitten by a malaria-infected mosquito develops life threatening health problems according to scientists at the University of Toronto.

21 Apr 2008

Is there convincing biological or behavioral evidence linking vitamin D deficiency to brain dysfunction?

In a definitive critical review, scientists at Children's Hospital & Research Center Oakland ask whether there is convincing biological or behavioral evidence linking vitamin D deficiency to brain dysfunction.

21 Apr 2008

Southeast Asia the culprit in flu epidemics

According to the World Health Organisation (WHO) each year influenza epidemics are thought to infect between 5 and 15 per cent of the world's population.

17 Apr 2008

Drug-treated blood stem cells used to repair heart damage in animal model

Researchers at UT Southwestern Medical Center have for the first time used drug-treated blood stem cells to repair heart damage in an animal model, results that might point to methods for healing injuries from heart attacks or disease.

15 Apr 2008

Surviving without sex - Bdelloid rotifers do!

Birds and bees may do it, but the microscopic animals called bdelloid rotifers seem to get along just fine without sex, thank you.

3 Apr 2008

Molecular evolution of influenza A viruses circulated in Fujian Province, China

Fujian Center for Disease Control & Prevention, China, reported the molecular evolution of influenza A (H3N2) viruses in Fujian Province, south of China during the period 1996 to 2004 and demonstrated some key codons responsible for antigenic drift.

2 Apr 2008

Illicit drug use increasingly glamorized in rap music

Rap music has gone from an art form that largely warned against the dangers of substance abuse to one that often glorifies illegal drug use, according to the first systematic social science study of the genre covering nearly two decades.

2 Apr 2008

New insight into the menopause

Insight into why females of some species undergo menopause while others do not has proven elusive despite an understanding of the biological mechanisms behind the change.

1 Apr 2008

Appendix removed through a patient's vagina

On March 26, 2008, surgeons at UC San Diego Medical Center removed an inflamed appendix through a patient's vagina, a first in the United States.

From Evident Corporation - Life Sciences 31 Mar 2008

International team of scientists discover clue to delay of life on Earth

Scientists from around the world have reconstructed changes in Earth's ancient ocean chemistry during a broad sweep of geological time, from about 2.5 to 0.5 billion years ago.

28 Mar 2008

Brain scientist shedding light on learning, memory

Neurons spoke to Dr. Joe Z. Tsien when he was a sophomore college student searching for some meaningful extracurricular activity.

28 Mar 2008

Beetle genome opens the door to developmental research

The whole DNA sequence of the red flour beetle, familiar to many as an unwelcome visitor to the kitchen flour jar, has been published in Nature .

28 Mar 2008

New horizons in the creation of synthetic enzymes

Mankind triumphed in a recent "competition" against nature when scientists succeeded in creating a new type of enzyme for a reaction for which no naturally occurring enzyme has evolved.

26 Mar 2008

Yerkes researchers shed light on how human language evolved

Researchers at the Yerkes National Primate Research Center, Emory University, have identified a language feature unique to the human brain that is shedding light on how human language evolved.

25 Mar 2008

Birth of an enzyme

Mankind triumphed in a recent 'competition' against nature when scientists succeeded in creating a new type of enzyme for a reaction for which no naturally occurring enzyme has evolved.

25 Mar 2008

How humans make up for an 'inborn' vitamin C deficiency

A new study appears to explain how humans, along with other higher primates, guinea pigs and fruit bats, get by with what some have called an “inborn metabolic error”: an inability to produce vitamin C from glucose.

24 Mar 2008

A polyphenols-rich diet keeps the heart younger

This finding comes out from a study by the University of Grenoble in collaboration with the other Centres participating to the FLORA Project, a European Commission funded research studying the effects of flavonoids, a variety of polyphenols, on human health.

24 Mar 2008

Russell Berrie Foundation donates $28 million for diabetes research

The Russell Berrie Foundation has donated $28 million to Columbia University Medical Center and NewYork-Presbyterian Hospital, as part of a focused effort to provide comprehensive care to diabetes patients while working, through concentrated research initiatives, toward a cure, the Medical Center gratefully announced today.

20 Mar 2008