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Reef fish use sign language to communicate prey locations to others

The roving coralgrouper, a predator fish of the tropical reef, uses sign language to advise fellow hunters of hiding prey, according to a study published on Tuesday. It is the first time that a fish has been known to make “referential gestures,” or specific signs that alert a partner to…

Mysterious water on Jupiter came from comet smash

Enigmatic traces of water in the upper atmosphere of Jupiter came from a comet that crashed into the giant planet in 1994, the European Space Agency (ESA) said on Tuesday. Astronomers have been debating the water for 15 years after telltale molecules were spotted by an infrared telescope. Some argued…

Climate change forces India’s apple farmers up the Himalayas

Set in the Himalayas, Kashmir is a green, saucer-shaped valley full of fruit orchards and surrounded by snowy mountain ranges.(Mukhtar Khan/AP/File) The hills of Thanedar-Kotgarh…  …

How the burning of fossil fuels was linked to a warming world in 1938

Seventy-five years ago this month an amateur weather-watcher from West Sussex published a landmark paper in the Quarterly Journal of the Royal Meteorological Society directly linking the burning of fossil fuels to the warming of the Earth’s atmosphere. Guy Callendar was a successful steam engineer by trade, but in his…

Natural compounds in dark chocolate found to increase calmness

Research to be published in the May issue of the Journal of Psychopharmacology has found cocoa polyphenols have a positive impact on mood in healthy individuals. “To our knowledge, this is the first randomized, controlled trial to substantiate the effects of cocoa polyphenols on positive mood states in a non-clinical…

Doctors warn ‘the cinnamon challenge’ damages lungs

Health experts warned Monday about serious risks from the “Cinnamon Challenge,” a game popular with US teens, who ingest a spoonful of the pungent spice, then try to refrain from drinking water. A study published in the journal Pediatrics warned that while the game may seem like harmless fun, many…

Atheist Richard Dawkins: ‘Indoctrination of religion’ is ‘child abuse’

Evolutionary biologist Richard Dawkins on Sunday told a British literary festival that parents who forced their children to believe that religion was a fact were guilty of “child abuse.” Speaking about his family-friendly book The Magic of Reality at the Chipping Norton Literary Festival, the University of Oxford professor warned…

Influenza expert: New bird flu not spreading in ‘sustained’ way between people in China

SHANGHAI — A top WHO influenza expert said Monday there was still no evidence H7N9 bird flu was spreading in a “sustained” way between people in China, despite the possibility some family members may have infected one another. China announced on March 31 that the virus had been discovered in…

Remains of woman adorned with gold beads and buried 4,500 years ago discovered near Windsor

Woman dubbed ‘Kingsmead’s queen’ is found with unusual necklace of gold beads and finely decorated cup The remains of a woman who was buried almost 4,500 years ago has been discovered in a quarry in Berkshire wearing a precious necklace of gold beads – a particularly rare find from a…

‘No frills’ Indian hospitals offer $800 heart surgery

What if hospitals were run like a mix of Wal-Mart and a low-cost airline? The result might be something like the chain of “no-frills” Narayana Hrudayalaya clinics in southern India. Using pre-fabricated buildings, stripping out air-conditioning and even training visitors to help with post-operative care, the group believes it can…

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