Treelight (Science News)
Using gene jacked in from fireflies, biologists have produced trees that glow in the dark. An interesting alternative to street lights.
"The great majority"... (Discover)
... is an epithet for the dead. We've known for ages that there are more dead than living, but the Population Reference Bureau has gotten specific: there have been 108 billion people, so far. There are 7 billion alive at the moment.
Neanderthal invention (Science)
Were Neanderthals stupid or not? Opinion and evidence has wavered back and forth. Late Neandethals had some very sophisticated tools, but might have been imitating early modern humans. Now, archeologists have found some very old leather-working tools that are quite sophisticated and too old to be copied from us. Maybe. Other archeologists point out that the error margins on dating for modern humans and these tools allow for overlap.
Oiled stone (Discover)
You may have heard how pollution attacks the stone of many old buildings, especially if they're made of limestone. Conservators have a new tool, though, to protect limestone buildings: an application of olive oil.