This ancient stick may be the world’s oldest handheld wooden tool
These 430,000-year-old wooden tools from Greece are a rare find and provide a glimpse at the technical know-how of our early human ancestors.
These 430,000-year-old wooden tools from Greece are a rare find and provide a glimpse at the technical know-how of our early human ancestors.
We summarize the week's scientific breakthroughs every Thursday.
This article has been paid for and developed by Society for Science.
Scientists have long focused on quantifying fear and other negative emotions in animals. Now they’re trying to measure positive feelings — and it’s a challenge.