Spears helped our ancestors eat and defend themselves. Spearmaking required ingenuity, experiments and communication. Symmetrical stone tools with damage at the tip indicate that spears were being used in South Africa half a million years ago, according to a new study. More
If (gasp!) the subject is too big for a Whyfile, hit the books. Here, we review four great science books, on evolution, environment, fighting nature, and discovering motherly love.
A report that people were in Texas 15,500 years ago settles a long dispute: The Americans who made Clovis-style spear-points were not the first Americans — despite heavy archeological skepticism. Pre-Clovis rules! But who were the pre-Clovis people, and why are scientists so dismissive of contrary evidence? More