Stem cells replace damaged mouse tissue

BERKELEY, Calif., June 17 (UPI) -- U.S. scientists say they have successfully used stem cells to repair and replace damaged tissue in mice.

New enzyme might fight dysentery, malaria

BALTIMORE, June 17 (UPI) -- U.S. medical researchers say they might have discovered a new enzyme that the dysentery parasite uses to help evade the human immune system.

New molecule helps nerve stem cells mature

DALLAS, June 17 (UPI) -- U.S. medical scientists say they have created a small molecule that stimulates nerve stem cells to begin maturing into nerve cells in culture.

Humor Shown To Be Fundamental To Our Success As A Species

Experts explain how and why we find things funny and identify the reason humor is common to all human societies, its fundamental role in the evolution of homo sapiens and...

RSPCA gives orphaned baby birds singing lessons

RSPCA play orphaned fledglings recordings of birdsong to hone twittering skills before they're released in to the wild

New Insights Into How Genes Are Governed And Why They Sometimes Go Wrong

European researchers have made significant progress unraveling how genes are governed and why this sometimes goes wrong in disease. The key lies in the dynamic ever-changing structure of the chromatin,...

Estrogen Therapy Helps Or Hurts The Brain Depending On Reproductive Status, Animal Study Suggests

Estrogen therapy may limit stroke damage if started close to, but not long after reproductive cycles are over, according to a new animal study.

National Briefing | Southwest: Texas: Rare Beach Nesting for Turtle

For the first time since the 1930s, federal biologists confirmed that a leatherback sea turtle has nested on a Texas beach, at the Padre Island National Seashore near Corpus Christi.

Opinion: Is therapeutic cloning on the skids?

Politicians everywhere are having second thoughts about the wisdom of casting a vote for cloning, according to Michael Cook.

Study determines 'species to watch'

A new study has resulted in a guide that identifies which species may be threatened by environmental change, and those that are likely to become pests.

Tag reveals the secret of UK sharks' long winter breaks

A basking shark tracked with satellite tag found to travel farther and deeper than known before

Epidemics: Scientists to hunt down new viruses before they strike

Hundreds of human disease-causing viruses may still be lurking in remote populations

Stem cell field grows despite controversy: experts

WASHINGTON (Reuters) - Political controversy may have slowed the pace of stem cell science, but the field is still promising enough to attract many talented researchers, stem cell experts said...

'Addicted' Cells Provide Early Cancer Diagnosis

Scientists have detected subtle changes that may make the bowel more vulnerable to tumor development. One of the mechanisms controlling gene activity is the "epigenetic code," a set of chemical...

U.S. Farmers Who Plant -- Or Replant -- After June 20 May See Yields Drop By Half

A costly deadline looms for many growers in the Midwest, as every day of waiting for the weather to cooperate to plant corn and soybeans reduces potential yields.

How The Brain Separates Audio Signals From Noise

How are we able to follow a single conversation in the midst of a crowded and noisy room? Little is known about how the human brain accomplishes the seemingly simple...

WEEK IN PHOTOS: "Flying" Fighters, U.K. Dolphins, More

Young martial artists take flight, China's "quake lake" drains with epic force, thousands of protestors light up the night, and more.

Emory study of syphilis bacteria yields valuable diagnostic tool

Variations in a gene within the family of bacteria that causes syphilis may hold clinical, epidemiological and evolutionary significance, researchers at Emory University in Atlanta have found.

UPI NewsTrack Health and Science News

Quake jeopardizes endangered pandas ... Foot cancer on rise ... Endangered turtle eggs found on island ... China space mission to include spacewalk ... Health/Science news from UPI.

Bishops condemn stem cell research

ORLANDO, Florida (Reuters) - Catholic bishops on Friday condemned the destruction of human embryos for stem cell research as a "gravely immoral act" in the organization's first formal statement on...

Specific Location Of The TRAF1/C5 Gene Associated With Multiple Autoimmune Diseases

The TRAF1/C5 locus on chromosome 9 has been revealed to play a role in multiple autoimmune diseases including type 1 diabetes and systemic lupus erythematosus, according to new data.

Chronicling A Town's Rebirth -- In Green

Planet Green's new docu-series, "Greensburg," follows the rebuilding of twister-devastated Greensburg, Kan. -- its determination to transform into an environmentally-friendly town -- and the sheer will of its remaining residents.

Wealth of genomic hotspots discovered in embryonic stem cells

In a paper published in Cell on June 13, 2008, Singapore scientists at the Genome Institute of Singapore (GIS) and the National University of Singapore (NUS) unveil an atlas that...

Scientists See Squid Attack Squid

It marks the first time scientists had clearly picked up a strong sonar signal for squid, which lack the bones and swim bladders that give away other marine creatures.

Japanese gangster offered $1 million for visa that would allow liver transplant at UCLA, sources say

Another hand-raised zoo baby: It's a sloth!

The sloth, the slowest-moving mammal in the world, is one of the weirder zoo animals to be recently raised by humans.

New Whitefly Vexes Growers

A devastating tropical and subtropical pest that's already considered one of the world's top invasive species just got a bit more troublesome. read more

'Daydreaming' brain is coma clue

A part of the brain that can stay active in brain-damaged patients offers recovery clue, say scientists.