humans

Why Do Humans Harm the Harmless?

Why Do Humans Harm the Harmless?

Humans are the glory and the scum of the universe, concluded the French philosopher, Blaise Pascal, in 1658. Little has changed. We love and we loathe; we help and we harm; we reach out a hand and we stick in the knife. We understand if someone lashes out in retaliation…

Computers Can See a Distinction in Male and Female Brains, But They Rely Strongly on Differences in Head Size

Computers Can See a Distinction in Male and Female Brains, But They Rely Strongly on Differences in Head Size

How useful are the well-known and hotly contested categories of “male brain” and “female brain”? Among experts, nobody really questions that anatomical sex differences in the brain exist. But since the advent of brain science, the scientific community has been divided over how many differences there are, which ones have…

Why Can’t Humans Grow Wings?

Why Can’t Humans Grow Wings?

Humans are animals that have backbones. This means we’re in a group called “vertebrates” – along with fish, amphibians (such as frogs), reptiles, birds and mammals. A long time ago, humans weren’t around. We actually came from 500-million-year-old fish that had no arms, legs or jaws. But slowly, from one…