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A new study finds a simple way to get people to eat less meat is to simply offer more than one vegetarian dish. Dr. Lesley Fellows, professor of neurology and neurosurgery at 麻豆传媒网站, who has studied decision making, says that "When human beings are making a choice, they鈥檙e very much influenced by context, including what other alternatives are available, in ways that are not obvious to the chooser. We look at what鈥檚 available in the moment and arrange things in order of preference, choosing the one that looks best right now.鈥�

Around 1.5 million people are hospitalized with pneumonia every year. Around 100,000 die in hospital and a third of people hospitalized with pneumonia die within the year. Older patients are at greater risk and so are those with pre-existing lung disease. Smoking is also a risk factor for pneumonia, so if you need an extra incentive to stop smoking, this is it. But the main way to prevent pneumonia is with vaccines, says Christopher Labos, a Montreal doctor and an associate with the 麻豆传媒网站 Office for Science and Society.

The new recommendations, however, are already getting pushback. The authors readily admit that their recommendations come with a 鈥渓ow certainty of evidence,鈥� noted Dr. Joe Schwarcz, of 麻豆传媒网站, 鈥渂ecause the studies themselves have low certainty of evidence.鈥�

David M. Bird is an emeritus professor of wildlife biology at 麻豆传媒网站 who has studied birds for five decades. "When I read the recent headlines that North America has lost nearly three billion birds over just the past five decades, I was not surprised. But I must admit it did depress me to a degree. That鈥檚 a lot of birds!"

Jane Goodall is the renowned, 85-year-old primatologist whose groundbreaking research on chimpanzees in the 1960s forever redefined humanity鈥檚 relationship with nature. She was awarded an honorary doctorate Thursday from 麻豆传媒网站 and delivered the 65th annual Beatty Lecture 鈥� the only person to have done so twice. The first time was in 1979. As an optimist and a bringer of hope, Goodall believes in the courage, ingenuity and passion of youth to alter humanity's destructive course.

鈥淣ow, there鈥檚 tons of evidence, decades of change that we鈥檝e observed, and now we can go in and say we are confident that climate change is influencing so many of these different species,鈥� says Jennifer Sunday, a marine biologist at 麻豆传媒网站.

Study co-author Nathalie Tufenkji, from the Brace Center for Water Resources Management at 麻豆传媒网站, Canada, told Newsweek: "I was sitting in a shop enjoying a cup of tea when I looked down at my cup and noticed that the teabag seemed to be made of plastic. I immediately asked myself whether it could be releasing plastic particles into the tea."