The virus's ability to move between these mammals might not bode well for humans. So far, it appears that H7N9 doesn't pass easily between people, but it could mutate over time and pose more of a threat.
Biologists said last week that they had overcome a major obstacle in stem-cell research by cloning human embryos. But several images in the published study were duplicated and labeled incorrectly, prompting questions about the authenticity of the results.
Our closest relatives, chimpanzees and gorillas, breast-feed their offspring for several years. Some baby orangutans nurse until they are 7 years old. Researchers found a way to test ancient teeth for clues about when humans cut nursing short.
Ironically, there's one piece of Web history that can't be found online: the very first page. Now, a team at the lab where the World Wide Web was born is on a hunt for old hard drives and floppy disks that might hold copies of the missing files.
A plant scientist at Mars Inc., has appealed to the world's biggest life sciences companies to help him — by sharing what they already know about 100 crops that could provide better nutrition in Africa. But can the kings of agricultural intellectual property get on board with open source agricultural information for Africa?
Although scientists have known that a funguslike organism caused the potato blight that triggered the Great Famine in Ireland in the 1840s, they didn't know which strain was the culprit. But they do now, thanks to the genes in some 19th century potato samples.
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