Bad sleep 'dramatically' alters body
A run of poor sleep can have a potentially profound effect on the internal workings of the human body, say UK researchers.
Surgery prices are elusive
University of Iowa study finds 13-fold price difference among U.S. hospitals for prostate cancer surgery
The first vertebrate sexual organs evolved as an extra pair of legs
We humans use the euphemism for sex that “we like to get a leg over” but the first jawed vertebrates – the placoderms – they liked to get a leg in.
Depression in the elderly linked to Alzheimer's risk
Molecular imaging study suggests late-life depression and beta-amyloid plaque in the brain could tip-off hastened development of the deadly dementia
To recover consciousness, brain activity passes through newly detected states
Anesthesia makes otherwise painful procedures possible by derailing a conscious brain, rendering it incapable of sensing or responding to a surgeon's knife. But little research exists on what happens when the drugs wear off.
55-year old dark side of the moon mystery solved
Astrophysicists think they know why no "face" exists on farside of the moon
Antiviral therapy may prevent liver cancer in hepatitis B patients
Researchers have found that antiviral therapy may be successful in preventing hepatitis B virus from developing into the most common form of liver cancer, hepatocellular carcinoma (HCC).
Aspirin 'not best to stop strokes'
Doctors are being told not to routinely prescribe aspirin for a common heart condition that increases stroke risk.
Snowballs to soot: The clumping density of many things seems to be a standard
Particles of soot floating through the air and comets hurtling through space have at least one thing in common: 0.36.
'Trust hormone' oxytocin helps old muscle work like new, study finds
Researchers have discovered that oxytocin  is indispensable for healthy muscle maintenance and repair
Bacteria help explain why stress, fear trigger heart attacks
Scientists believe they have an explanation for the axiom that stress, emotional shock, or overexertion may trigger heart attacks in vulnerable people.
From today, the Earth is around 60 million years older -- and so is the moon
Giant impact between Earth's ancestor and a planet-sized body occurred around 40 million years after the start of solar system formation
Herpes infected humans before they were human
The virus originated in chimpanzees, jumping into humans 1.6 million years ago
New paper suggests High Tibet was cradle of evolution for cold-adapted mammals
Extinct Tibetan fox, a likely ancestor of today's Arctic fox, is latest animal paleontologist team believes used Tibet as 'training ground' for ice age
Moles linked to risk for breast cancer
Cutaneous nevi, commonly known as moles, may be a novel predictor of breast cancer, according to two studies published in this week's PLOS Medicine.
It's the last bite that keeps you coming back for more
Memory for that last bite of a steak or chocolate cake may be more influential than memory for the first bite
Scientists weed out pesky poison ivy with discovery of killer fungus
John Jelesko and Matt Kasson have discovered a natural fungus that kills poison ivy.
Malaysia swarmed by giant moths
Swarms of giant moths have descended on Malaysia, invading homes and even disrupting a national football match.
What's the best way for toddlers to acquire verb meaning?
How verbs are 'packaged' in sentences is key
Genes found in nature yield 1918-like virus with pandemic potential
An international team of researchers has shown that circulating avian influenza viruses contain all the genetic ingredients necessary to underpin the emergence of a virus similar to the deadly 1918 influenza virus.
Oldest Handmade Skull Attributed to Leonardo da Vinci
Researchers believe they have found Leonardo Da Vinci’s “sorrow stone” - a creepy, miniature skull crafted in great anatomical detail.
New fossil find pinpoints the origin of jaws in vertebrates
First time gill arches have been seen so early in the fossil record
Gum disease bacteria selectively disarm immune system, Penn study finds
Periodontitis bacteria cause dysbiosis through a sophisticated, two-prong manipulation of the human immune system
Two giant planets may cruise unseen beyond Pluto
The monsters are multiplying.
Cranial ultrasound may replace temporal artery biopsy in diagnosis of giant cell arteritis
Non-invasive test more sensitive and equally specific compared to current gold standard
Researchers design circuits capable of functioning at temperatures greater than 650 degrees fahrenheit
Integrated circuits that can survive at temperatures greater than 350 degrees Celsius
New evidence for oceans of water deep in the Earth
Evidence for potentially oceans worth of water deep beneath the United States
Use of cement in partial hip replacement linked to risk of death
Relatively rare, but significant enough to warrant action; and concerns first raised in 2009
Findings point toward one of first therapies for Lou Gehrig's disease
Researchers have determined that a copper compound known for decades may form the basis for a therapy for amyotrophic lateral sclerosis (ALS), or Lou Gehrig's disease.
The Snowy, Barren Arctic Actually Contains a Sophisticated Network of Inuit Trails
Compiled from accounts over the past 200 years, a new atlas documents a network of trails stretching across the Arctic
Radio Signals from Jupiter Could Aid in the Search for Extraterrestrial Life on Its Moons
Radio Signals from Jupiter Could Aid Search for Life
Did Super-Sized Animals Live Long Before the Dinosaurs?
Megamastax amblyodus likely the earliest vertebrate apex predator in the fossil record
The energetic origins of life
A process by which natural ion gradients in alkaline hydrothermal vents,  ignited the ongoing chemical reaction of life
More Evidence Botox Works for Depression
A single injection of cosmetic botulinum toxin (BTX), which is typically used to improve the appearance of facial wrinkles, may be an effective treatment for depression.
Rescue of Alzheimer's memory deficit achieved by reducing 'excessive inhibition'
Discovery also has potential for development as a novel diagnostic tool for Alzheimer's disease
Studies show movements of continents speeding up after slow 'middle age'
Two studies show that the movement rate of plates carrying the Earth's crust may not be constant over time.
FDA OKs Lymphoseek for Head and Neck Cancer
The US Food and Drug Administration (FDA) has approved technetium 99m tilmanocept (Lymphoseek, Navidea Biopharmaceuticals) injection for identification of sentinel lymph nodes for head and neck cancer.
Arctic warming linked to fewer European and US cold weather extremes, new study shows
Climate change is unlikely to lead to more days of extreme cold, similar to those that gripped the USA in a deep freeze last winter, new research has shown.
Fusion Experiment Breakthrough
In a first, the fuel released more energy than it absorbed
Delinquent youth -- especially girls -- more likely to die violently as adults
Delinquency in youth predicts much higher rate of being shot to death before age 30
Washing chicken 'spreads infection'
Consumers are being warned to stop washing raw chicken as doing so increases the risk of food poisoning.
How WW1 changed emergency medicine
As the centenary of the start of the World War One draws nearer, BBC Wales is exploring how core roles in the modern British Army were first developed during the conflict.