Day: October 16, 2019

Solving the mystery of quantum light in thin layers

Local distortions in the surface push electrons close to defects. Only the combination of defects and strain can explain the new kind of quantum light. Credit: TU Wien When a current is applied to a thin layer of tungsten diselenide, it begins to glow in a highly unusual fashion. In addition to ordinary light, which…

US green economy’s growth dwarfs the fossil fuel industry’s

Growth industry — Renewables, environmental, and efficiency industries grew 3x faster than fossil fuels. Lucien Georgeson and Mark Maslin – Oct 16, 2019 2:29 pm UTC Enlarge / A new solar array at the National Institute of Standards and Technology.While US President Donald Trump may be “the world’s most powerful climate change denier,” our latest research…

Greenland’s melting ice may affect everyone’s future

A thousand feet above the glistening, iceberg-dotted water of the ocean off of East Greenland, oceanographer Josh Willis braces for balance, his feet spread wide on the metal floor of a specially-outfitted airplane. He grips a wide grey cylinder, hovering it over a 6-inch-wide bottomless tube. The pilot’s voice crackles over the intercom: “3, 2,…

Episode 1: Digging up Disaster

How did an ancient Roman harbor end up in ruins? Scientists realized the culprit was a long-forgotten natural disaster that left tell-tale geological clues — and possibly an eyewitness account in an ancient religious text. But solving this mystery led to a bigger question: what if it happens again? TRANSCRIPT PETER GWIN (HOST): Once upon…

Piranha fish swap old teeth for new simultaneously

A CT-scanned image of the piranha Serrasalmus medinai. Note the ingested fish fins in its stomach. Credit: University of Washington Piranha fish have a powerful bite. Their teeth help them shred through the flesh of their prey or even scrape plants off rocks to supplement their diet. Years ago, scientists discovered that piranhas lose all…

Is it wrong to keep octopuses in captivity?

“I get asked all the time, ‘Can you get octopuses?’” says Jeff Slemp, proprietor of a store called Cuttlefish and Corals Sustainable Saltwater Aquariums, in Portland, Oregon. Slemp isn’t opposed on principle to keeping these big-brained, unusually smart mollusks as pets, but he won’t sell octopuses to just anyone. “We have to make sure they…

All-female spacewalk on tap this week

EDITOR’S NOTE: Updated at 6 p.m. EDT (2200 GMT) after NASA media teleconference. STORY WRITTEN FOR CBS NEWS & USED WITH PERMISSION NASA astronaut Christina Koch inside a spacesuit before a spacewalk earlier this month. Credit: NASATwo NASA astronauts will take part in the first all-female spacewalk this week, a critical outing to restore lost power in the…

For girls in science, the time is now

Asset 5arrow-downarrow-leftarrow-rightarrow-uparticleAsset 31Asset 2Asset 7Asset 6Asset 7Asset 15Asset 16cartAsset 51cart-filledAsset 52checkAsset 50Asset 3chevron-upchevron-leftchevron-rightchevron-upclosedouble-caret-downdouble-chevron-downAsset 55double-chevron-upAsset 56email-newemail-filledAsset 14Asset 2fullscreen-closefullscreen-opengallerygallery-filledAsset 15GlobegridAsset 17grid-filledAsset 18headphones-newheadphones-filledAsset 19heart-filledheart-openinteractiveAsset 73linkAsset 48loadingAsset 45minusmutedAsset 29muted-filledAsset 30ng-borderAsset 8pauseAsset 40pause-filledAsset 39Asset 12Asset 13playAsset 33play-filledAsset 32plusNG_AD_Iconography_111317_JY_v2Asset 3replayAsset 11Asset 10Asset 4SearchIconshareAsset 34speakerAsset 27speaker-filledAsset 28star-filledstar-opentextAsset 43text-filledAsset 42tiltAsset 58Asset 8Asset 9Asset 4userAsset 53user-filledvideo-cameraAsset 35video-camera-filledAsset 36volumeAsset 25volume-filledAsset 26 Programs in science, technology,…