Keep smiling: Collagen matrix promotes gum healing around exposed roots
Research demonstrates that a novel method using bovine collagen is able to enhance gum healing.
Study shows brain flexibility, gives hope for natural-feeling neuroprosthetics
Major advances in neuroscience could lead to a wider range of brain-controlled prosthetic limbs that can restore mobility for people.
Seeing without eyes: Hydra stinging cells respond to light
In the absence of eyes, the fresh water polyp, Hydra magnipapillata, nevertheless reacts to light.
Study jointly led by UCSB researcher supports theory of extraterrestrial impact
An international team has identified a nearly 13,000-year-old layer of thin, dark sediment buried in the floor of Lake Cuitzeo in central Mexico.
New Alzheimer's marker strongly predicts mental decline
A new marker of Alzheimer's disease can predict how rapidly a patient's memory and other mental abilities will decline after the disorder is diagnosed,
researchers at Washington University School of Medicine in St. Louis have found.
Surgeons call for end to metal hip replacements
Expert surgeons in the UK say patients should no longer be given all-metal hip replacements, despite assurances from regulators amid safety concerns.
A Heart Helper May Come at a Price for the Brain
After a heart attack and quadruple bypass surgery in 2010, Steve Colburn of Portland, Ore., began taking a cholesterol-lowering statin at the maximum dose.
Soon, he began experiencing memory problems.
Psoriasis Linked to Protection from HIV-1
Many psoriasis patients have the same gene variants as people who are not significantly affected by an HIV-1 infection. Charles Q. Choi reports
Scientists discover that specific antibodies halt Alzheimer's disease in mice
Antibodies that block the process of synapse disintegration in Alzheimer's disease have been identified,
raising hopes for a treatment to combat early cognitive decline in the disease.
Surgery less than 24 hours after traumatic cervical spinal cord injury leads to improved outcomes
Researchers at the Rothman Institute at Jefferson have shown that patients who receive surgery less than 24 hours after a traumatic cervical spine injury
suffer less neural tissue destruction and improved clinical outcomes.
UCLA scientists pinpoint how vitamin D may help clear amyloid plaques found in Alzheimer's
A team of academic researchers has identified the intracellular mechanisms regulated by vitamin D3 that may help the body clear the brain of amyloid beta,
the main component of plaques associated with Alzheimer's disease.
Vitamin D deficiency linked to higher mortality in female nursing home residents
New study underscores need for effective strategy for preventing and treating vitamin D deficiency
Research on flavanols and procyanidins provides new insights into how these phytonutrients may positively impact human health
Demonstration of distinct roles of flavanols and procyanidins provides a basis for improving the design and interpretation of future studies
Marriage: A powerful heart drug in short supply
Married adults who undergo heart surgery are more than three times as likely as single people who have the same surgery to survive the next three months, a new study finds.
Running hot and cold in the deep sea: Scientists explore rare environment
Among the many intriguing aspects of the deep sea, Earth's largest ecosystem, exist environments known as hydrothermal vent systems where hot water surges out from the seafloor.
Vomit bird throws up a defence against predators
Babies of a bird species called the Eurasian roller vomit a foul-smelling orange liquid as a defence mechanism against predators, biologists have discovered.
Strong scientific evidence that eating berries benefits the brain
Strong scientific evidence exists that eating berry fruits has beneficial effects on the brain and may help prevent age-related memory loss and other changes
Mechanism for Burgess Shale-type preservation
A team of researchers claims to have unlocked the mystery of the Burgess Shale in their study
Treatment Allows Drug-Free Transplant Patients to Elude Graft-versus-Host Disease
Bone-marrow transfers prior to organ transplants could end the need for lifelong immunosuppression
Symptoms of late-stage Alzheimer's can be delayed
AT LAST, some good news for people with Alzheimer's.
Cannabinoid 2 receptors regulate impulsive behaviour
A new study led by the Neuroscience Institute of Alicante reveals how manipulating the endocannabinoid system can modulate high levels of impulsivity.
The Darwin-Wallace mystery solved: Darwin vindicated from accusations of deceit
A National University of Singapore. study has traced historical shipping records and vindicated Darwin from accusations of deceit.
Oldest organism with skeleton discovered in Australia
Finding fine-tunes understanding of life's evolution on Earth; informs search for extraterrestrial life
Sobered up using LSD
Journal of Psychopharmacology article examines intriguing evidence on the psychedelic drug
Magnetic moon
Researchers suggest magnetic anomalies on the moon are the result of asteroid collision
Microraptor's glossy black feather coat reconstructed
The unusual four-winged dinosaur Microraptor may have been coated with dark, iridescent feathers, an analysis of a newly discovered fossil suggests.
Drug helps purge hidden HIV
A team of researchers at the University of North Carolina at Chapel Hill has successfully flushed latent HIV infection from hiding,
with a drug used to treat certain types of lymphoma.
Extra female genes make men more masculine
NOW here's a brain bender: an extra set of female genes appears to make males more masculine.
Nuclear Disaster in Japan Was Avoidable, Critics Say
A year after a huge earthquake and tsunami caused nearly catastrophic meltdowns at a nuclear plant, Japan is still grappling with a crucial question:
was the accident simply the result of an unforeseeable natural disaster or something that could have been prevented?