Stone circles show Neandertals’ social, technical skills

In at least one part of Stone Age Europe, Neandertals were lords of the rings. Humankind’s close evolutionary cousins built large, circular structures out of stalagmites in a French cave around 176,500 years ago, researchers say. Neandertal groups explored the cave’s dark recesses, where they assembled stalagmite pieces into complex configurations, archaeologist Jacques Jaubert of […]

New technique produces real randomness

Ask a computer to pick a random number and you’ll probably get a response that isn’t completely unpredictable. Because they are deterministic automatons, computers struggle to generate numbers that are truly random. But a new advance on a method known as a randomness extractor makes it easier for machines to roll the dice, generating truly […]

Quantum weirdness survives space travel

In a feat that demonstrates the feasibility of using satellites to transmit uncrackable quantum messages, scientists have measured the quantum properties of photons sent to space and back again. Physicists beamed the blips of light up to a satellite that reflected them back to Earth. Upon the photons’ return, the team, led by Paolo Villoresi […]

Four newest elements on periodic table get names

Four new elements now have names. In December, the International Union of Pure and Applied Chemistry officially recognized the discovery of elements 113, 115, 117 and 118, filling out the seventh row of the periodic table (SN: 2/6/16, p. 7). As is traditional in chemistry, the naming rights went to the discoverers: Scientists at RIKEN […]