Latest science news in Biology & Nature

Stem Cells Not The Only Way To Fix A Broken Heart

14 years ago from Science Daily

Researchers appear to have a new way to fix a broken heart. They have devised a method to coax heart muscle cells into reentering the cell cycle, allowing the differentiated...

Protein that promotes cancer cell growth identified

14 years ago from

Scientists at Burnham Institute for Medical Research (Burnham) have found that the Caspase-8 protein, long known to play a major role in promoting programmed cell death (apoptosis), helps relay signals...

AIDS discovered in wild chimpanzees

14 years ago from

Although the AIDS virus (HIV-1) entered the human population through chimpanzees, scientists have long believed that chimpanzees don't develop AIDS. But a new study from an international team, including University...

Chimps Do Get "AIDS," Study Finds

14 years ago from National Geographic

Long thought to be harmless, SIV—the source of HIV—may lead to a lethal, AIDS-like illness in chimps, after all. Though a blow to conservationists, the discovery may hold insights for human medicine.

Chimps, like humans, focus on faces

14 years ago from

A chimp's attention is captured by faces more effectively than by bananas. A series of experiments described in BioMed Central's open access journal Frontiers in Zoology suggests that the apes...

Can brain scans read your mind?

14 years ago from

Can neuroscience read people's minds? Some researchers, and some new businesses, are banking on a brain imaging technique known as functional magnetic resonance imaging (fMRI) to reveal hidden thoughts, such...

Bug brings hope for fight against Japanese knotweed

14 years ago from The Guardian - Science

Tiny sap-sucker could stop relentless march of invasive weed It arrived quietly nearly 200 years ago and now threatens numerous British plants, allotments, gardens, pavements, buildings, railways and water courses.

High construction cost for cycads

14 years ago from Physorg

Self-sustaining organisms like plants possess the ability to synthesize their own food using inorganic materials. Plants use water and carbon dioxide to begin this process in their green tissues. The...

Baby whale's first breath caught on camera off Australia

14 years ago from Physorg

Australian scientists have photographed a humpback whale helping a newborn calf take what appears to be its first breath, a rare event described as the "Holy Grail" for whale-watchers.

Bangladesh leopard renews hopes for species survival

14 years ago from Physorg

Bangladeshi conservationists said Thursday the discovery of a rare leopard captured by villagers in the southeast of the country renewed hopes for the survival of the critically endangered species.

Stop And Smell The Flowers -- The Scent Really Can Soothe Stress

14 years ago from Science Daily

Feeling stressed? Then try savoring the scent of lemon, mango, lavender or other fragrant plants. Scientists in Japan are reporting the first scientific evidence that inhaling certain fragrances alter gene...

Study Finds Chimps Die From Simian AIDS, Dispelling Widely Held Belief

14 years ago from NY Times Health

The finding also suggests that an outbreak of AIDS is contributing to the declining chimpanzee population in Africa.

Chimps with HIV Offer Clues about Virus

14 years ago from CBSNews - Science

Infection, Deadly in Humans, Is Often Harmless to Monkeys; Ailing Chimps Provide Long-Sought "Missing Link"

Corporate secrecy under the microscope after Twitter leaks

14 years ago from Physorg

The publication of internal documents about Twitter that were filched by a hacker caused fans to express their outrage -- before they hunkered down to read them.

Stunting plants' skyward reach could lead to improved yields

14 years ago from Physorg

In the forest's fight for survival, it's the tallest trees that prevail by reaching for sunlight and shading competition. Corn and other plants, too, divert precious energy to grow higher...

Experiments show 'artificial gravity' can prevent muscle loss in space

14 years ago from Science Blog

GALVESTON, Texas -- When the Apollo 11 crew got back from the moon, 40 years ago this week, they showed no ill effects from seven days spent in...

Multiplying like bunnies? Not this jackrabbit

14 years ago from Physorg

(AP) -- Rabbits are certainly known for their propensity to multiply, but one species of jackrabbit is having trouble keeping up. There are an estimated 150 white-sided jackrabbits left...

Artificial brain '10 years away'

14 years ago from BBC News: Science & Nature

A project to build and design an artificial human brain could be completed in the next 10 years, a leading scientist says.

The value of variation: Ecologists consider the causes and consequences

14 years ago from Physorg

Consider the case of the three-spine stickleback. These tiny fish that thrive in oceans and in fresh water might appear to be the same, yet ecologists are finding that they...

Olivia Judson: Microbes 'R' Us

14 years ago from NY Times Science

The human body is home to a vast array of bacteria. So what are they up to?

New discovery suggests trees evolved camouflage defence against long extinct predator

14 years ago from

Many animal species such as snakes, insects and fish have evolved camouflage defences to deter attack from their predators. However research published in New Phytologist has discovered that trees in...

An inner 'fingerprint' for personalising medical care

14 years ago from

Fingerprints move over. Scientists are reporting evidence that people have another defining trait that may distinguish each of the 6.7 billion humans on Earth from one another almost as surely...

Genetic change could make crops thrive on salty soils

14 years ago from SciDev

GM plants that are more salt tolerant could be good news for farmers in many regions of the world struggling with high salinity.

Light Shed On DNA Mechanisms

14 years ago from Science Daily

By manipulating individual atoms in DNA and forming unique molecules, a researcher hopes to open new avenues in research towards better understanding the mechanisms of DNA replication and transcription, and...

Vaccine blocks malaria transmission in lab experiments

14 years ago from Science Blog

Researchers at the Johns Hopkins Malaria Research Institute have for the first time produced a malarial protein (Pfs48/45) in the proper conformation and quantity to generate a significant immune response...

Strange! Humans Glow in Visible Light

14 years ago from Live Science

Your body's glow may say a lot about your health.

ATMs Fight Back With Pepper Spray

14 years ago from Live Science

ATMs from Absa bank in South Africa have gone hot with their latest means of fighting thieves.

'Lab On A Chip' To Give Growers Real-time Glimpse Into Water Stress In Plants

14 years ago from Science Daily

An embedded microsensor capable of measuring real-time water stress in living plants has been developed. In theory, the sensor will help vintners strike the precise balance between drought and overwatering...