SSS 2012-02-28

This is Scientific Ameican 60 second Science, I'm Cynthia Graber, this will just take a minute! Cave painting connects us with our prehistoric artist ancestors. But there's a dearth of such illustration in the Americas. Now a cave in Brazil has been

SSS 2012-02-27

Cave painting connects us with our prehistoric artist ancestors. But there's a dearth of such illustration in the Americas. Now a cave in Brazil has been found to house the oldest New World image known. The shelter was excavated from 2002 to 2009. In

SSS 2012-02-22

This is Scientific American 60 second science, I am Christopher Intagliata, got a minute? The most common types of ingested birth control contain estrogen. But the hormone doesnt just prevent human babies. It may be lowering numbers of frog babies, t

美国科学60秒 SSS 2012-10-16

Pet turtles can be unsanitary. But Chinese soft-shelled turtles really up the ante on distasteful behavior. They perform a variation on urinationthrough their mouths. Most land-based vertebrates produce urine to get rid of water-soluble toxic waste,

SSS 2012-08-16

This is scientific American sixty seconds science. I'm Christopher Intagliata. Got a minute? Lots of animals build homes for protection. Think Beaver lodges and termite mounds. Hermit crabs, on the other hand, inhibit hand-me-down homes. But they rem

SSS 2009-02-16

This is Scientific American's 60-Second Science. I'm Karen Hopkin. This will just take a minute. Expectant moms can have very different ideas when it comes to where they plan to have their babies. Some women even choose to give birth in a warm tub of

SSS 2010-02-16

Some call it the hormone of love. Its oxytocin and it helps moms bond with and breast-feed their babies, and even keeps romantic couples content. Now a study suggests that this same hormone might also help people with autismby improving their social

SSS 2011-11-16

Ever wander through a supermarket and past the open refrigerated cases that house cream cheese, butter and OJ? The refrigerated shelves are protected by jets of air that blow across the front. These jets form an air shield to keep the warm air out. T

SSS 2012-08-02

In an Aesop fable, a thirsty crow wanting to drink from a pitcher must first raise the water level. So he drops pebbles in the container. In real life, the European Jay can perform the same task. But just how smart is it? Researchers challenged jays

SSS 2012-07-02

The same mathematical models used to study the hunting range of lions have many other applicationsthey describe the flight patterns of honeybees. And now researchers say these math models can help explain the stability of gang territories and pattern

美国科学60秒 SSS 2012-11-16

Aches and pains getting you down, or maybe they really tick you off. If that's the case, maybe don't look to a placebo to give you any relief. Because a new study shows that sugar pills are less effective for people who are quick to anger. The work a

美国科学60秒 SSS 2012-11-02

This is Scientific Americans 60-Second Science. Im Gretchen Cuda Kroen. Got a minute? Nasty bacteria cling to the surfaces of countertops. They also stick to medical devices - like catheters - that are placed inside the human body, where they can bec

SSS 2012-04-02

The dengue virus depends on mosquitoes to get around, but the virus may have evolved a way to speed its spread by manipulating the behavior of masquito hosts. It makes them more blood thirsty, to quicker find a blood meal than their uninfected counte

SSS 2012-05-02

This is Scientific Americans 60 Second Science, I am Rose Eveleth. Got a minute? Sound and touch may seem completely separate, except possibly when playing the game Operation. But it turns out that the two senses are actually quite entwined: a new st

SSS 2012-05-16

This is Scientific American 60 second Science, I am Karen Hopkin, This will just take a minute. If youve ever spent time watching chimps at the zoo, youve probably wondered: what are they thinking? Well, the answer might be simple: could be theyre fi

SSS 2012-02-07

This is Scientific American's 60-Second Science. American is still far short of the recommend daily portions of food and vegetables, and kids are no ...veggies at school cafateria. So researches tested whether visual cuse at hopeful foods could incre

SSS 2012-02-09

This Scientific Americans 60 senconds science. I'm Cythia Graber. This will just take a minute. How did the zebra get stripes. One theory holds that stripes help confused predators. But stripes might be primarilly to protect zebras from ferocious ins

SSS 2012-02-13

This is Scientific American's 60-Second Science. I'm Sophine Bushwick. Got a minute? Crickets make a big contribution to the sounds of a summer night. And theyve been doing so for some 165 million years. Now paleontologists have reconstructed the son

SSS 2012-02-15

This is Scientific American 60 second science, I am Christopher Intagliata, got a minute The sounds many animals make are determined by their genesthey don't have to learn them. Humans, on the other hand, have all sorts of languages and accents, stuf

美国科学60秒 SSS 2015-02-16

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