Latest science news in Biology & Nature

Experts: Third of 64 shark species at risk

16 years ago from MSNBC: Science

A third of the 64 species of high-seas sharks are threatened with extinction because they are overfished or killed incidentally, a leading conservation group warned Thursday.

Changes In Brain Architecture May Be Driven By Different Cognitive Challenges

16 years ago from Science Daily

Scientists trying to understand how the brains of animals evolve have found that evolutionary changes in brain structure reflect the types of social interactions and environmental stimuli different species face.

Human term placenta a new abundant source of haematopoietic cells

16 years ago from

Investigators at Children's Hospital Oakland Research Institute, Oakland, California found a way to obtain large numbers of haematopoietic stem cell from human term placenta. The results, which appear in the...

Brain study shows differences in night owls, early risers

16 years ago from CBC: Technology & Science

Scientists at the University of Alberta have found there are significant differences in the way our brains function, depending on whether we are early risers or night owls.

Ultrasound: Dr. Larry - The Pet Vet

16 years ago from Live Science

Dr. Larry Cohen and Dr. Skye Stanley painlessly reveal the soft tissue structures under your pet's skin: How sound waves become diagnostic images - and what veterinarians can see with...

Prairie dogs: influencing the accumulation of metals in plants?

16 years ago from Physorg

Prairie dogs may seem like harmless little creatures, but they can inflict serious injury on plants simply by snacking on them. Plants cannot flee from their furry predators, so how...

Mice have Parkinson's non-motor symptoms

16 years ago from UPI

ATLANTA, June 23 (UPI) -- U.S. scientists say they have genetically engineered mice to reproduce many of the non-motor symptoms associated with Parkinson's disease in humans.

Improved cancer risk test developed

16 years ago from UPI

CORVALLIS, Ore., June 23 (UPI) -- U.S. scientists have completed the largest animal toxicology study ever conducted, challenging some concepts concerning cancer-causing compound levels.

Protein can twist into a second shape

16 years ago from UPI

SAN DIEGO, June 23 (UPI) -- U.S. scientists have found a bacterial protein thought to exist in one 3-D shape can twist itself into a second form, depending...

Knorr-brand kosher soup mix recalled

16 years ago from UPI

WASHINGTON, June 23 (UPI) -- The U.S. Food and Drug Administration announced the recall of a Knorr-brand kosher soup mix because it contains undeclared egg.

Hunters depleting lion, cougar populations

16 years ago from UPI

MINNEAPOLIS, June 23 (UPI) -- A U.S. study has determined sport hunters are depleting lion and cougar populations in both the United States and Africa.

Ever wondered what the insides of an elephant look like?

16 years ago from The Guardian - Science

Is Channel 4's latest gore-fest, Inside Nature's Giants, a fascinating new breed of factual entertainment or just another case of gross-out television?

Weed-Whacking Herbicide Proves Deadly to Human Cells

16 years ago from Scientific American

Used in yards, farms and parks throughout the world, Roundup has long been a top-selling weed killer. But now researchers have found that one of Roundup’s inert ingredients can kill human cells, particularly...

Researchers to reveal aging's origins on global stage

16 years ago from Physorg

Four of the biologists who described the underlying causes of aging will soon share their findings with an international audience during a symposium at the upcoming World Congress of Gerontology...

Ratbot Sees, Hears, Scurries Just Like a Real Rat

16 years ago from PopSci

If there's one thing the world doesn't need more of, it's rats. But try telling that to the researchers at France's Institute for Intelligent Systems and Robotics (ISIR) who have...

New electron microscopy images reveal the assembly of HIV

16 years ago from Physorg

Scientists at the European Molecular Biology Laboratory (EMBL) and the University Clinic Heidelberg, Germany, have produced a three-dimensional reconstruction of HIV (Human Immunodeficiency Virus), which shows the structure of the...

Molecular typesetting -- proofreading without a proofreader

16 years ago from Physorg

Researchers at the Universities of Leeds and Bristol (UK) have developed a model of how errors are corrected whilst proteins are being built.

The A. vinelandii bacterium is sequenced

16 years ago from UPI

BLACKSBURG, Va., June 23 (UPI) -- An international collaboration of scientists has completed the genome sequencing of the Azotobacter vinelandii soil bacterium, U.S. researchers said.

Invasive plant killing Dartmouth lake

16 years ago from CBC: Technology & Science

It may look pretty, but don't let yellow floating heart fool you - the invasive plant is clogging one lake in Dartmouth, and it's feared it will spread to nearby...

Mapping The Tugen Trail: Ecotourism Could Offer Lifeline To Protect Wildlife

16 years ago from Science Daily

A postgraduate student has trekked 140km across the Rift Valley in East Africa all in the name of academic research.

Fire ants prompt call for help

16 years ago from CBC: Technology & Science

There could be plenty of dead ants on display as a Halifax neighbourhood tries to come up with a co-ordinated plan to get rid of this menace.

Special brain cells talk fertility

16 years ago from Science Alert

Researches have discovered how the fertility part of the brain communicates, opening the door to new treatment methods.

Study shows Chronix technology using serum DNA can identify early presence of disease

16 years ago from Science Blog

San Jose, California, June 23, 2009 -- Chronix Biomedical today reported that a new study in a peer-reviewed journal further confirms the potential diagnostic and prognostic utility of using...

Oceans more sensitive to acidification in the future

16 years ago from

A wide range of chemical and microbiological processes influence the acidity of natural waters. Dutch researcher Andreas Hofmann has developed a new method for accurately determining the acidity of water....

AIDS: Dark in Life

16 years ago from Science Blog

AIDS: Dark in Life -Mohammad Khairul Alam- -Executive Director- -Rainbow Nari O Shishu Kallyan Foundation- -24/3 M. C. Roy Lane- -Dhaka-1211, Bangladesh- rainbowngo@gmail.com www.newsletter.com.bd Tell: 880-2-8628908 Mobile: 01711344997

Blue-blooded Barbary lions benefit from conservationists' stud book

16 years ago from BBC News: Science & Nature

A royal stud book created by conservationists could help return the majestic Barbary lion to the wild.

Many conservation areas 'at risk'

16 years ago from BBC News: Science & Nature

More than 700 conservation areas in England are at risk of neglect, decay or damaging changes, English Heritage says.

A Transplant That Is Raising Many Questions

16 years ago from NY Times Health

While there is no easy way to cheat the system, wealthy patients in need of organs have an advantage in being able to join many waiting lists.