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How do people choose what plants to use![]() ![]() Copenhagen, Denmark (SPX) Jan 24, 2017 There are about 400,000 species of plants in the world. Humans use approximately 10-15% of them to cover our basic needs, such as food, medicine and shelter, as well as other needs, such as recreation, art, and craft. But why and how have humans selected only a small fraction of all plants to utilize? A new study published in Nature Plants sheds new light on these questions by investigating how people use palms in South America. The overall conclusion is that people are very selective when it come ... read more |
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![]() China sentenced two key suspects in an out-of-date immunisations scandal, a local court said Tuesday, in a case which fuelled public concern about vaccine safety and sparked outrage about official delays in revealing details. ... more ![]() ![]() A charitable foundation backed by Mark Zuckerberg and his wife said Monday it has bought a Canadian artificial intelligence startup as part of a mission to eradicate disease. ... more ![]() ![]() The number of internet users in China - already the world's highest - reached 731 million in December, authorities said, as e-commerce drives consumer demand across the Asian giant. ... more ![]() ![]() Under the shadow of Myanmar's famed "Golden Rock" punters haggle for the latest traditional medicine cure - slices of skin from the country's fast disappearing wild elephants sold for a few dollars a square inch. ... more |
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![]() Vision deterioration in astronauts who spend a long time in space is likely due to the lack of a day-night cycle in intracranial pressure. But using a vacuum device to lower pressure for part of eac ... more ![]() ![]() When a small business in Kent, Ohio was looking for help to advance one of their products, it came from an unexpected source. Emergency Products and Research (EP+R) designs and manufactures em ... more ![]() ![]() The ticks that transmit Lyme disease to people die of dehydration when exposed to a combination of high temperature and lowered humidity, a new USGS-led study has found. In an earlier related study, ... more ![]() ![]() A roast duck vendor has died of bird flu in central China, the official Xinhua news agency said Saturday, the latest human casualty of the disease this winter. ... more ![]() ![]() Retroviruses - the family of viruses that includes HIV - are almost half a billion years old, according to new research by scientists at Oxford University. That's several hundred million years older ... more |
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![]() ![]() Study: Retroviruses are nearly 500 million years old ![]() ![]() French hospitals are being stretched to their limits by a major flu epidemic sweeping the country, France's health authorities warn. ... more ![]() ![]() Zimbabwe has banned street food vendors in the capital Harare after a typhoid outbreak blamed on poor sanitation and erratic water supplies. ... more |
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