美国科学60秒 SSS 2013-04-10

Oh, my sir, looks like you got a bad case of true daddies, the woodsman's companion bed-bugs. Bed bugs are notoriously tough to Germany, many populations have already evolved resistent to common insecticides. But they do have a non-chemical enemy-kid

美国科学60秒 SSS 2013-04-08

Commercial jets pumps out some 700 million tons of CO2 a year, about 2 percent of global emissions. That jet exhaut helps warm the planet, especially in the Arctic, which is especially unfortunate for future fliers because climate changes may screw u

美国科学60秒 SSS 2013-04-05

Specially train dog have been long use for seeking out drugs,dangerous chemicals and explosives. But now, researchers have discovery a way to enhance taction dog shnows, change its diet. For 18 months, researchers routied 70 trained taction dogs thro

美国科学60秒 SSS 2013-04-02

Synthetic biologists design and make biological devices and system for useful purposes. Conservation biologists study biodiversity to protect species and habitat.The two group don't talk to each other much.Conservation biologists cannot refer thus or

美国科学60秒 SSS 2013-04-01

You're in the supermarket, picking a breakfast cereal. Will it be cinnamon raisin or oats in honey. Hard to decide? Well, what if I told you they both cost the same, would that make it easier? Well, a new study suggests it would not. Because research

美国科学60秒 SSS 2013-08-06

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

美国科学60秒 SSS 2013-08-02

This is Scientific American 60-second Science. I'm Sophie Bushwick. Got a minute? Wolves and grizzlies sound like unlikely allies. But the resurgence of Yellowstone Park's canine population has helped the bears in a berry interesting way. In the 1990

美国科学60秒 SSS 2013-08-05

It's similiar to a pregnancy test: a drop of liquid on a strip of paper causes an easily seen color change. But imagine that kind of simple, cheap technology employed in testing for pollution or health issues anywhere and on the cheap. Researchers at

美国科学60秒 SSS 2013-08-07

have you ever run into a former companion and discover you can't remember his name? this awkward situation is apparently alien to dolphin, who can recall old companions up to 2 decades later. as a recent 60 second science xx explained, dolphins have

美国科学60秒 SSS 2013-08-08

If you find a job a couple of thousand miles away, Skype interview will be certainly cheaper than meeting a person. But you could end up casting you the job, because study finds that video check can make you seem less likable than face to face interv

美国科学60秒 SSS 2013-07-02

That spoon sure looks yummy. Not that I am planning on eating my utensils, but the appearance and feel of cutlery influences the taste of food. That's according to a study in the journal Flavor. It was already known that plate size, background music

美国科学60秒 SSS 2013-07-03

This is scientific 60second science.I'm Sophie Bushwick,got a minute? That spoon sure looks yummy,not that I am planning on eating my utensils.But the experience infilled of colory influence the taste of food-that's according to a study in the Journa

美国科学60秒 SSS 2013-07-04

This is Scienfic America 60 second sience, I'm Sufie Bushweic. Got a minute?That spoon sure looks yammy, not that I'm planning on eating my utensils. But the appearance and feel of caloriy influences the taste of foods,that's according to a study in

美国科学60秒 SSS 2013-07-08

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

美国科学60秒 SSS 2013-07-09

Lawn enthusiasts love a lush, green carpet of grass, which is why they hate crabgrass. And now they may have one more reason to despise the weed. Because crabgrass isn't just faster-growing than the rest of lawn. It may actually be poisoning the lawn

美国科学60秒 SSS 2013-07-15

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

美国科学60秒 SSS 2013-07-10

Lawn enthusiasts love a lush, green carpet of grass, which is why they hate crabgrass. And now, they may have one more reason to despise the weed. Because crabgrass isn't just faster-growing than the rest of the lawn. It may actually be poisoning the

美国科学60秒 SSS 2013-06-17

Ordinarily you've called it a pistachio a pistachio, but if you are for example an immigrant from China, and you've just seen a Ming vase. You might call a pistachio and a happy nut. Because visual cues can affect language in people with multiple cul

美国科学60秒 SSS 2013-06-14

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

美国科学60秒 SSS 2013-06-13

Cheetahs reign as the fastest land mammals capable of sprinting at speeds reaching about 65 miles an hour. But when hunting in the wild, the big cats rarely reach top speed. Instead they rely on rapid acceleration and agility to catch their prey. Tha