Early humans: Tooth enamel reveals life histories

If you take a magnifying glass and a flashlight and look at your teeth very carefully in the mirror, in places you can spot a pattern of fine, parallel lines running across your teeth. These correspond to the striae of Retzius ...

Changing the color of quantum light on an integrated chip

Optical photons are ideal carriers of quantum information. But to work together in a quantum computer or network, they need to have the same color—or frequency—and bandwidth. Changing a photon's frequency requires altering ...

Māori scientists work 'cultural double-shifts'

Māori scientists face the double challenge of undertaking innovative research while also being expected to raise the cultural capacity of their organizations and the science system.

What does 'luminosity' mean in particle physics?

Even on the hottest and driest days, rays from the sun are too weak to ignite a fire. But with a magnifying glass (or, in some unfortunate cases, a glass garden ornament), you can focus sunlight into a beam bright enough ...

What makes the world's biggest surfable waves?

On Feb. 11, 2020, Brazilian Maya Gabeira surfed a wave off the coast of Nazaré, Portugal, that was 73.5 feet tall. Not only was this the biggest wave ever surfed by a woman, but it also turned out to be the biggest wave ...

How cameras in public spaces might change how we think

Facial recognition is increasingly being used in many countries around the world. In some cases the take up has been dramatic. As a result, people are being observed by cameras more than ever, whether in stores, on public ...

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