Latest science news in Biology & Nature

3 more great white sharks tagged off Mass. coast

8 years ago from Physorg

(AP) -- A total of five great white sharks have now been electronically tagged off Cape Cod, allowing experts to track their movements and learn more about their migratory...

Large-scale study probes how cells fight pathogens

8 years ago from Newswise - Scinews

Scientists have deciphered a key molecular circuit that enables the body to distinguish viruses from bacteria and other microbes, providing a deep view of how immune cells in mammals fend...

'Achilles' Heel' In Y Chromosome Linked To Sex Disorders

8 years ago from Science Daily

The unique mechanism behind the evolutionary survival of the human Y chromosome may also be responsible for a range of sex disorders, from failed sperm production to sex reversal to...

Molecular Decay Of Enamel-specific Gene In Toothless Mammals Supports Theory Of Evolution

8 years ago from Science Daily

Biologists report new evidence for evolutionary change recorded in both the fossil record and the genomes (or genetic blueprints) of living organisms, providing fresh support for Charles Darwin's theory of...

Giant panda cub born in China

8 years ago from UPI

XI'AN, China, Sept. 5 (UPI) -- A giant panda who delivered a male cub last year has given birth to a female cub at a breeding center in northwest...

Gene Called Flower Missing Link In Vesicle Uptake In Neurons

8 years ago from Science Daily

As part of synaptic transmission from one neuron to the next, bubbles containing neurotransmitters that make information exchange possible, travel to the tip of neurons, where they fuse with the...

DNA shows farmers replaced hunter-gatherer

8 years ago from UPI

LONDON, Sept. 4 (UPI) -- The ancestors of modern-day Europeans likely were farmers and not hunter-gatherers, British researchers said.

Ego City: Cities organised like human brains

8 years ago from

Cities are organised like brains, and the evolution of cities mirrors the evolution of human and animal brains, according to a new study by researchers at Rensselaer Polytechnic Institute...

Transplanted human stem cells prolong survival in mouse model of rare brain disease

8 years ago from

A new study finds substantial improvement in a mouse model of a rare, hereditary neurodegenerative disease after transplantation of normal human neural stem cells. The research findings, published by Cell...

Discovery may shed light on evolutionary adaptations and human disease

8 years ago from

Researchers at Vanderbilt University Medical Centre led by Billy Hudson, Ph.D., have discovered a new chemical bond in biological tissue, a fundamental discovery that helps explain evolutionary adaptation in the...

Research team discovers switch that causes the body to produce cancerous cells

8 years ago from

A team of Syracuse University researchers discovered a second molecular switch within the Mixed Lineage Leukaemia protein complex that they believe could be exploited to prevent the overproduction of abnormal...

Spare gene is fodder for fishes' evolution

8 years ago from

Scientists have suspected that spare parts in the genome - extra copies of functional genes that arise when genes or whole genomes get duplicated - might sometimes provide the raw...

Scripps research scientists identify genetic cause for type of deafness

8 years ago from

A team led by scientists from The Scripps Research Institute has discovered a genetic cause of progressive hearing loss. The findings will help scientists better understand the nature of age-related...

Two AIDS-resistant antibodies isolated

8 years ago from UPI

LA JOLLA, Calif., Sept. 4 (UPI) -- After years of research, scientists in California say they have isolated two antibodies that prevent human immunodeficiency virus from becoming full-blown AIDS.

Safe seed: Researchers yielding good results on food cotton in field

8 years ago from Physorg

Field trials of a new cotton are verifying previous lab and greenhouse studies indicating the crop could become a source of protein for millions of malnourished people in the world.

Two proteins enable skin cells to regenerate

8 years ago from Physorg

( -- Nevermind facial masks and exfoliating scrubs, skin takes care of itself. Stem cells located within the skin actively generate differentiating cells that can ultimately form either the body...

Instant insight: A calculated risk

8 years ago from Chemistry World

How safe are nanoparticles? Amanda Barnard reveals how computation can help to identify and prevent nanohazards

New kind of bond hidden in all animals

8 years ago from Chemistry World

US chemists have identified a unique chemical bond that holds together a type of collagen molecule in all animals

Our telepathic future

8 years ago from The Guardian - Science

In his book Imagined Worlds, Dyson glimpses a distant future in which humans communicate by radiotelepathy and terrestrial life has spread out across the galaxy

India says no to HIV drug patents

8 years ago from News @ Nature

Patent office rejects applications from two US drug companies.

Feature: The lurking menace of weeks

8 years ago from Science Alert

Weeds should be regarded as farmers' natural enemy No. 1, causing more damage to food production at a global level than pathogens, insects or other predators.

Fresh targets give hope for HIV vaccine

8 years ago from News @ Nature

Two antibodies that stop the virus in its tracks could hold the key to broad immune protection.

Are tigers 'brainier' than lions?

8 years ago from Physorg

( -- A wide-ranging study of big cat skulls, led by Oxford University scientists, has shown that tigers have bigger brains, relative to their body size, than lions, leopards or...

Divide to Conquer: Infection-Specific T Cells Multiply to Fight Infection

8 years ago from Scientific American

When the body contracts a new virus or bacteria, specific white blood cells --T lymphocytes--are recruited to fight back. Each T cell is only programmed, however, to recognize a specific viral or bacterial...

Ribozyme's Kick Is In Its Fold

8 years ago from C&EN

Raman spectroscopy reveals that a folded catalytic RNA can boost reactivity by shifting the acid dissociation constant of its nucleotides.

Indoor plants found to release volatile organic compounds

8 years ago from Physorg

Potted plants add a certain aesthetic value to homes and offices, bringing a touch of nature to indoor spaces. It has also been shown that many common house plants have...

Mice can eat 'junk' and not get fat

8 years ago from Physorg

A study in the September 4th issue of the journal Cell identifies a gene that springs into action in response to a high fat diet. Mice that lack the gene...

Room for Debate: Saving Bees: What We Know Now

8 years ago from NY Times Science

Lessons from the battle against colony collapse disorder, which is still decimating hives.