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A tablet of aspirin a day could "keep mortality at bay", according to a large new study of women.
A mouse drinks a drop of soymilk as a reward for correctly identifying which one of three illuminated panels is different from the other two (Image: Gerald Jacobs)
A male masked tityra (Tityra semifasciata), one of the tropical species included in the study, at a nesting hole in a snag. It diverged from its sister species the black-tailed Tityra about 4 million years ago [Image courtesy of Jason Weir]
Simple ultrasound scans could be equally good at predicting a woman's chance of IVF conception success as the expensive, invasive and time-consuming hormone tests currently used, researchers say.
The evolutionary tree shows how pubic lice – Pthirus pubis and Pthirus gorillae – afflict humans and gorillas. Humans and chimps, meanwhile, can host Pediculus head lice (Illustration: J W Demastes/T Choe/V S Smith)
The distress caused by a variety of torture techniques (Source: Metin Basoglu et al)
Researchers analysing the DNA in Neolithic human remains claim to have uncovered the first direct evidence that modern humans have evolved changes in response to natural selection.
The newly discovered “superhighway” (red tube) connects the ventricles (shown in light purple in the middle of the brain) with the tiny olfactory bulb (bottom left) (Image: Jonathan Westin)
Sleep deprivation can severely hamper the brain’s ability to learn, a new study demonstrates.
Activity patterns in the green regions of the brain scan revealed the subject’s covert intentions before he began to perform the calculation (Image: Bernstein Centre for Computational Neuroscience)
New evidence has linked a commonly prescribed sleep medication with bizarre behaviours, including a case in which a woman painted her front door in her sleep.
The male Hypolimnas bolina butterfly, above, has to deliver many more “sperm packages” to eager females when bacteria kill off his brothers (Image: Sylvain Charlat)
A novel treatment can rescue the brain function of mice afflicted with a form of mad cow disease, a new study suggests.
In a novel experiment, moderate doses of carbon monoxide protected against the symptoms of multiple sclerosis in mice.
Exposure to traffic pollution can significantly stunt a child’s lung development, new research shows.
Female mice exposed to a common chemical found in plastics while in the womb develop abnormal eggs, according to a new study. Based on this finding, researchers speculate that the chemical, bisphenol A, might increase the risk of spontaneous abortion and genetic disorders in humans, such as Down's syndrome.
A dramatic rise in the number of hemorrhagic strokes in the US during the 1990s may be linked to increased use of the anti-clotting drug warfarin.
Countries with the largest number of disadvantaged children (Source: The Lancet)
A new gene test can predict how people with lung cancer will fare, say researchers, allowing aggressive chemotherapy to be targeted to only those who need it.
If you are a parent seeking advice on how to help your autistic child, a web search might bring you to a set of instructive videos by Phil Commander. The tutorials cover a wide range of behavioural interventions, using noisemakers and poker chips, which are meant to boost autistic youngsters’ ability to respond to other people.
Antidepressant drugs can improve people's sense of taste, a new study has revealed.
Women who are unmarried or not living with a partner have a significantly higher risk of miscarriage, according to a new study. And undergoing a divorce or separation during pregnancy raises the risk still further, a new study has found.
The proud parents Lycaeides Melissa and L. ida (left and middle) gave rise to a new species of butterfly (right) that is able to mate successfully (Image: James Fordyce)
Even a human with a dog leaves this Galapagos Islands iguana unflustered (Image: Thomas Rödl)
People who receive stem cell transplants for diseases such as leukaemia appear to face a higher risk of developing secondary cancers, especially if the cells come from a female donor, according to a preliminary study.
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