标签：美国60秒科学 相关文章
Ticks are bad news. They spread Lyme disease and Rocky Mountain spotted fever. And theyre also responsible for an unusual food allergyto meat. Yup, get bit by one of these buggers and it could be bye-bye BBQ. The strange allergy has been linked to th
Scientific American(十一)月
This is scientific American sixty seconds science. I'm Christopher Intagliata. Got a minute? New dads might expect to deal with dirty diapers or a baby's cries in the night. But how about lower testosterone levels? Previous research has shown that fa
Scientific American(九)月
This is Scientific American 60 Second Science. I am Christopher Intagliata. Got a minute? In developed countries, we've mostly eliminated freeloaders like parasitic worms from our guts. But we also have the highest rates of inflammatory bowel disease
Scientific American(十一)月
I've always thought that when I get a fever, it's my body trying to make things uncomfortable for the invading pathogen. And that's often true - higher temperatures can inhibit the bad guys' ability to replicate. But my fever may actually be a one-tw
Scientific American(十一)月
In a recent podcast, we heard the beluga whale NOC change his voice's rhythm and pitch to imitate human speech. Pretty impressive, but you ain't heard nothing yet. M K, an Asian elephant that appears to form actual words. Thats annyong,Korean for hel
Scientific American(十一)月
They say the beauty is in the eye of the holder. For f* Rainbow f*, that's definitely right. That's in right eye. The birds depend on their right eye for scoping out potential mates. Many males are choosy when picking a partner and the Rainbow or goo
Scientific American(十)月
Taste may be the least understood of our five senses, even basic questions like where the taste bugs come from remain mysterious until now. In the study published in the journal Stem Cell, scientists identified the lose of parental cell that gives ri
Scientific American(二)月
This is scientific American sixty seconds science, I'm Christopher Taliyatah. Got a minute？ When you think of an password for yet another online account, longer is better. Right? Well, it's true if your password is just strings and radoms of number
Scientific American(二)月
Stem cells are prised for their ability to give rise to a variety of specialized cell types, including heart, liver, nerve and bone. Unfortunately, it's the stem cells from embryos that have shown the biggest potential, for generating both a range of
Scientific American(六)月
It's boating season, which means it'll soon be time for that annoying ritual, the scraping of the barnacle. They latch on tight and don't let go. Barnacles can be a major pain. As they grow they build up calcium deposits under a boat's paint. And the
Scientific American(七)月
Music. It can tug at our hearts, perhaps even literally. Because when people sing together their hearts begin to beat in sync with each other. Researchers monitored the heart rates of 15 teenagers as they produced sounds solo. The participants either
Scientific American(七)月
I am sick and tired of A-Rod and all the stuff. Let's play a game. Butwe can't play the game until we comes to some kind of resolution as howwe deal with PEDs and steroids. Verteran sportswriter and journalismprofessor Jusice B Hill on August 1 at th
Scientific American(八)月
About six million people worldwide post to Twitter, producing some 650,000 new tweets daily. And one percent of these posts include geographic locations. The combination of language and location has allowed scientists to calculate the dominant langua
Scientific American(四)月
Speed dating is a popular way to find love. But how can you make a good impression in just a few minutes? With scientific analysis of course. Because a study finds that people can form meaningful relationships quickly as long as they say the right th
Scientific American(五)月
It takes a village to raise a child. Well, the same is true for finding what are called spaceworps. That's according to astophysicists who are calling for volunteers to aid in the search for gravitational lenses. Astronomical objects are so massive t
Scientific American(六)月
It has long been thought that mammoths and mastodons rambled over North American subartic grounds between 75,000 and 10,000 years ago, and were made extinct by hungry new arrivals on the scene, human beings. But new evidence indicates mastodons proba
2015年Scientific American(二)月
This is Scientific Americans's 60-second science. I am Steve Merski, got a minute? The average cost overall of 1976 summer Olympic Games was 200 percent. Smith College economist *** Zimbro is specialized in sports economics. So on average, if you bid
2015年Scientific American(二)月
The advent of smartphones, social media and other technologies have altered the way people interact with each other. Just watch a group of people out for a meal together, on their phones texting people who arent there. Technology may also be poised t
2015年Scientific American(五)月
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2015年Scientific American(六)月
Imagine being able to insistently see what location you happen to be at, looked like 575 or a hundred years ago. A team of app developers wants to use today's ubiquitous digital camera culture to meet such appearing into the past possible. The app ca
2015年Scientific American(四)月