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科学美国人60秒:Pesticide Additive Could Be One Culprit in Bee Deaths
Springtime is flower season. And that includes some 90 million almond trees in California. It's the largest pollination event in the U.S.—and beekeepers truck in two thirds
科学美国人2017-01-24 -
科学美国人60秒:Knot Not Easy to Knot
Of the many puzzles mathematicians ponder, one is new ways to tie knots. "There are more than six billion different types of knots that have been tabulated by maOf the many puzzles
科学美国人2017-01-22 -
科学美国人60秒:Bat Chatter Is More Than a Cry in the Dark
When we humans talk to other humans, the sounds we make all have very specific meanings. "When I say apple you immediately imagine something that has the characteristics of an appl
科学美国人2017-01-19 -
科学美国人60秒:Bird Feeders Attract Bird Eaters, Too
More than half of U.S. households provide food for birds. It's a billion dollar industry. Now a study asks whether the same feeders that attract birds also attract predators that
科学美国人2017-01-16 -
科学美国人60秒:Adult Daughter Orcas May Trigger Moms' Menopause
Menopause marks the end of a female’s babymaking era. And not just for humans. Female killer whales go through menopause, too. And a new study finds that they might get pushe
科学美国人2017-01-16 -
科学美国人60秒:Climate Cycles Could Have Carved Canyons on Mars
The surface of Mars is etched with ancient river valleys and lake basins. Which makes researchers think that liquid water once flowed on the Red Planet. But how? Today, Mars is too
科学美国人2017-01-13 -
科学美国人60秒:Hair Cells Could Heal Skin Sans Scars
Long ago, before Band–Aids, or even medicine of any kind, our ancestors evolved to heal cuts themselves. If you got sliced open, the body blocked it up, to prevent blood loss
科学美国人2017-01-12 -
科学美国人60秒:Concrete Defects Could Become Strengths
Concrete is one of the most widely used materials on the planet. "And this consumption comes with a heavy ecological price." Rouzbeh Shahsavari, a materials scientist at Rice Unive
科学美国人2017-01-09 -
科学美国人60秒:Zika Linked to a Variety of Birth Defects
Zika virus infection during pregnancy has been linked to the abnormal brain development called microcephaly. Now a study finds more evidence for the connection.
科学美国人2017-01-06
Researchers at the -
科学美国人60秒:When Dining for Trillions, Eat Wisely
You are what you eat, the old expression goes. But it leaves out one crucial detail. "We don't dine alone. We dine with trillions of friends." Jeff Gordon, a microbiologist at Was
科学美国人2017-01-04 -
科学美国人60秒:Weakest Piglets May Sneak Help from Strongest Siblings
Human parents usually have one or sometimes two offspring at a time, and when babies get delivered we pour all our energy into child rearing. But other animals raise lots of babies
科学美国人2017-01-03 -
科学美国人60秒:Isolated Low Temps May Reassure Climate Skeptics
Global warming deniers love to point to cold or snow as evidence against climate change. Like Oklahoma Senator James Inhofe. Remember last year, when he tossed a snowball in Congre
科学美国人2016-12-29 -
科学美国人60秒:Bats Learn To Take White-Nose Punch
The little brown bat was once abundant in the eastern U.S. But within the last 15 years, a fungus called Pseudogynmoascus destructans infiltrated a cave in upstate New York. This f
科学美国人2016-12-27 -
科学美国人60秒:'Necrobiome' Reveals a Corpse's Time of Death
Tens of trillions of microbes call our living bodies home. But when we die? "The first thing that happens is basically ecosystem collapse—where you have a tremendous loss of
科学美国人2016-12-27 -
科学美国人60秒:Pregnancy Primes the Brain for Motherhood
Pregnancy brings big physical changes to a woman's body. But what three neuroscientists were more interested in was, what does it do to the woman’s brain? "We were in our 30
科学美国人2016-12-23 -
科学美国人60秒:Small Fraction of Pilots Suffer Suicidal Thoughts
In March 2015, the co-pilot of Germanwings Flight 9525 crashed the jet into the French Alps, killing himself and 149 others. Later on, investigators found out he'd googled poisons
科学美国人2016-12-20 -
科学美国人60秒:Migrating Birds Prefer Lakefront Property
You may have spotted V-shaped squadrons of geese heading south this fall. But for many migrants—like smaller songbirds—nighttime is the right time, when it comes to mig
科学美国人2016-12-19 -
科学美国人60秒:Breast-Feeding Benefits Babies with Genetic Asthma Risk
Babies benefit from breast-feeding—they have a lower risk of infections, vomiting and diarrhea and less of a chance of later developing adult onset diabetes. And now a study
科学美国人2016-12-15 -
科学美国人60秒:Self-Driving Cars Probably Won't Boost Commuter Productivity
Advocates for self-driving cars love to tout the benefits the cars would bring, such as fewer accidents and less congestion. Another alleged value of being a passenger rather than
科学美国人2016-12-14 -
科学美国人60秒:New Insecticide Makes Mosquitoes Pop
It's bad enough that mosquitoes suck our blood, and sometimes pass on disease. But there's more. "They can actually give you a disease and pee on you at the same time. Adding ins
科学美国人2016-12-13 -
科学美国人60秒:Commuting Patterns Help Forecast Flu Outbreaks
Every flu season—that’s now through the spring—epidemiologists track flu infections as they break out across the country. And they forecast how bad it's going to
科学美国人2016-12-09 -
科学美国人60秒:Dogs Teach Bomb-Sniffing Machines New Tricks
Old Yeller was a great smeller. Dogs in general have superior smelling abilities. They detect dead bodies, illegal drugs and explosives—even cancer. But dogs don't just have
科学美国人2016-12-06 -
科学美国人60秒:"Power Poses" Don't Stand Up
Perhaps you’ve seen the famous TED talk about so-called power poses. It encouraged viewers to change the course of their lives by assuming what are thought of as dominant pos
科学美国人2016-12-05 -
科学美国人60秒:Toll-Free Number Stems Human–Wildlife Conflicts
“I have now worked in seven states across India, and we’ve looked at human-wildlife interactions, particularly human-wildlife conflict ranging from crop loss, livestock
科学美国人2016-12-02 -
科学美国人60秒:We Now Live in the Unnatural World
The Unnatural World is the title of a new book by former Scientific American environment editor David Biello. The subtitle: The Race to Remake Civilization in Earth’s Newest
科学美国人2016-12-01
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