The colossal stellar explosions called supernovae come in many kinds and flavors. Some of them are produced when a massive star reaches the end of its life in a sudden gravitational collapse. Astronomers have just found one of these explosions that defies the current classification scheme.
Scientists have discovered a powerful new way to stimulate muscle regeneration, paving the way for new treatments for debilitating conditions such as muscular dystrophy. The research shows for the first time that a protein called Wnt7a increases the number of stem cells in muscle tissue, leading to accelerated growth and repair of skeletal muscle.
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Scientists have discovered how two related proteins and their roles in a key molecular pathway are critical to creating obesity-causing fat cells.
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Researchers studying a difficult-to-treat form of childhood epilepsy called infantile spasms have developed a line of mice that experiences seizures with features closely resembling those occurring in human infants. These genetically engineered mice provide a new opportunity for scientists to test treatments that may benefit children.
Some $155 billion was invested in 2008 in clean energy companies and projects worldwide, not including large hydro, a new report says. Of this $13.5 billion of new private investment went into companies developing and scaling-up new technologies alongside $117 billion of investment in renewable energy projects from geothermal and wind to solar and biofuels.
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Bans on same-sex marriage can be tied to a rise in the rate of HIV infection, a new study has found.
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Millions of people today carry around pocket-sized music players capable of holding thousands of songs, thanks to the discovery 20 years ago of a phenomenon known as the “giant magnetoresistance effect,” which made it possible to pack more data onto smaller and smaller hard drives. Now scientists are on the trail of another phenomenon, called [...]
Your immune system plays an important function in your health — it protects you against viruses, bacteria, and other toxins that can cause disease. In autoinflammatory diseases, however, the immune system goes awry, causing unprovoked and dangerous inflammation. Now, researchers have discovered a new autoinflammatory syndrome, a rare genetic condition that affects children around the [...]
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Retaining a network of wildlife conservation areas is vital in helping to save up to 90 per cent of bird species in Africa affected by climate change, according to scientists.
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Linking genetic material microRNAs with cells that regulate the immune system could one day lead to new therapies for treating cancer, infections and autoimmune diseases, according to a new study.