Uncategorized
- Health & Medicine
Gene implicated in deadly influenza
A strain of influenza virus that struck in Hong Kong in 1997 got some of its lethality from a mutation in the gene encoding an enzyme called PB2.
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The article says that evidence of past climate variations in Antarctica may invalidate global warming as a cause for the recent demise of several ice shelves in that area. Isn’t the length of time over which the changes occurred the critical thing? If the changes are occurring over roughly the same time span as they […]
- Earth
Antarctic sediments muddy climate debate
Ocean-floor sediments drilled from Antarctic regions recently covered by ice shelves suggest that those shelves were much younger than scientists had previously thought.
