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Pfizer, Johnson drop tests for new Alzheimer drug

NEW YORK — Pfizer and Johnson & Johnson said Monday they had given up tests of a new therapy to treat Alzheimer’s disease, saying the treatment did not measure up to expectations. The final, phase 3 trial of the intravenous bapineuzumab therapy did not meet targets for effectiveness in aiding…

Waitresses who wear red earn bigger tips from men, study finds

Research recently published in the Journal of Hospitality and Tourism Research has found that waitresses who wear red earned bigger tips from men than waitresses who wore other colors. “As red color has no negative effect on women customers, it could be in their interest to wear red clothes at…

Mohawked flight director becomes surprise hit of Mars Curiosity landing

Usain Bolt may have rocketed to victory in the Men’s 100 final on Sunday, but thousands of miles away, another man was rising to prominence with great speed. The Mars Curiosity Landing, which made a safe touch down on the red planet at 06.14 BST today, wasn’t just a further…

Study: Chemotherapy can backfire and boost cancer growth

Cancer-busting chemotherapy can cause damage to healthy cells, which triggers them to secrete a protein that sustains tumor growth and resistance to further treatment, a study said Sunday. Researchers in the United States made the “completely unexpected” finding while seeking to explain why cancer cells are so resilient inside the…

Scientists unravel ‘other’ malaria parasite’s DNA code

Scientists said Sunday they had unraveled the genetic codes of parasites responsible for the bulk of malaria cases outside Africa, and found they were scarily diversified and may be harder to kill. In a study published in Nature Genetics, researchers said they had sequenced the genomes of four strains of…

Study: Current heatwave likely to show global warming is ‘scientific fact’

A new study by the man called the “godfather of global warming” says there’s no getting around it: the heat wave pounding most of the country – and the world – is the result of man-made global warming. “This is not some scientific theory,” NASA scientist James Hansen told the…

Climate change to blame for extreme heat: NASA scientist

Human-driven climate change is to blame for a series of increasingly hot summers and the situation is already worse than was expected just two decades ago, a top NASA scientist said on Saturday. James Hansen, who directs the NASA Goddard Institute for Space Studies, wrote in the Washington Post that…

Are we alone? NASA’s Mars rover aims to find out

Are we alone? Or was there life on another planet? NASA’s $2.5 billion dream machine, the Mars Science Laboratory, aims to take the first steps toward finding out when it nears Mars’ surface on Monday. The planet is Earth’s closest neighbor, and scientists have found signs of water there, hinting…

Mass grave reveals how volcano caused global catastrophe

Scientists search for the explosive source of a disaster that wiped out almost a third of Londoners in 1258 When archaeologists discovered thousands of medieval skeletons in a mass burial pit in east London in the 1990s, they assumed they were 14th-century victims of the Black Death or the Great…

Mayans may have used chocolate in cooking 2,500 years ago

When the Spanish conquistadores invaded Mexico 500 years ago, they found the emperor Moctezuma drinking a exotic beverage called xocóatl with his breakfast. Made from ground cacao beans that had been boiled in water, spiced, and beaten to a froth, it was literally the drink of kings, permitted only to…

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