美国科学60秒 SSS 2013-01-23
This is Scientific Americans 60 second Science, I am Karen Hopkin, this will just take a minute. Since the first human genome sequence was published, thousands of people have submitted their DNA for scientific analysis. They made these donations anon
美国科学60秒 SSS 2013-01-24
This is Scientific Americans 60 second Science, I am Christopher Intagliata, got a minute. Sailors don't need to read the stars anymorethey've got GPS. But dung beetles do not have GPS. And it now appears that they use the Milky Way as a compass. Dun
美国科学60秒 SSS 2013-01-25
This is Scientific American 60-second Science,I'm Sophie Bushwick.Got a minute?Scientists have used synthetic DNA to store digital files,including a photo,Shakespeare's sonnets and an audio recording on Martin Luther King. And the pursuit of happines
美国科学60秒 SSS 2013-01-28
This is Scientific American 60-second Science,I'm Gretchen Cuda Kroen,got a minute?Sharing syringes is a big no-no.Despite the warnings,needles sharing among injection drug users are still a significant cause for the spread of HIV and other infectiou
美国科学60秒 SSS 2013-01-29
This is Scientific American 60-second Science,I'm Gretchen Cuda Kroen,got a minute?The last time you splurged on a live lobster for dinner ,you might not have given any thought to how much the little guy was going to suffer as he boiled to death.Unti
美国科学60秒 SSS 2013-01-31
When you think about dog food, you probably picture more meet than potato. But a new study finds that unlike wolves, dog have genes allow them to digest starch. That evolutionary adaptation may help fuel domestication. The report is in the journal na
