Best Of MetaFilter

#81 Signal by Trevor King 66 (cc by)

Great comment from pemberkins about what botanists mean when they talk about "invasive" species (and social concerns about the terms) in the Giant Hogweed discussion.

Homo naledi skeletal specimens from the Dinaledi Chamber, South Africa

One of my friends from my graduate program is a "tiny caver" on this project, so I can't make my own post ... but I can comment!

ChuraChura adds some great link love to ladybird's post about the discovery of new hominin species Homo naledi, and the skilled slender spelunkers recruited to excavate the nearly inaccessible find.