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A map of a seamount in the Arctic Ocean created by gathering data with a multibeam echo sounder. Researchers have found that such topographic features can trap deep waters and produce turbulence.

Underwater mountains help ocean water rise from abyss

Turbulence from seafloor topography may explain longstanding question about ocean circulation.

March 6, 2017

A production line in a Volkswagen factory in Poland. Scientists at MIT and elsewhere report that the manufacturer’s emissions in excess of the test-stand limit value have had a significant effect on public health not just in Germany but across Europe.

Study: Volkswagen’s excess emissions will lead to 1,200 premature deaths in Europe

Countries hit hardest by automaker’s emissions scandal include Germany, Poland, France, and Czech Republic.

March 3, 2017

“I fell in love with physics,” says senior Zachary Hulcher. “I appreciate light bouncing off a mirror, and smoke billowing up, and light going through it in a different way. … The small things I took for granted when I didn’t understand them, I appreciate now. Everything is just a little prettier.”

From football to physics

Zachary Hulcher, Marshall Scholar and offensive lineman, will study high-energy physics in the U.K.

February 27, 2017

The TRAPPIST-1 star, an ultra-cool dwarf, has seven Earth-size planets orbiting it.

3Q: Julien de Wit on the discovery of seven temperate, nearby worlds

Planets may harbor conditions suitable for sustaining liquid water — and thus life.

February 22, 2017

Researchers have found that the hydrogel’s mostly watery environment helps keep nutrients and programmed bacteria alive and active. When the bacteria reacts to a certain chemical, the bacteria are programmed to light up, as seen on the left.

Living sensors at your fingertips

Cell-infused gloves and bandages light up when in contact with certain chemicals.

February 15, 2017

For the first time, astronomers have observed a star pulsing in response to its orbiting planet. The star, HAT-P-2, pictured, is one of the most massive exoplanets known today. The planet, named HAT-P-2b, tracks its star in a highly eccentric orbit, flying extremely close to and around the star, then hurtling far out before eventually circling back around.

The heart of a far-off star beats for its planet

Scientists observe first planet-induced stellar pulsations.

February 14, 2017

This composite image shows powerful radio jets from the supermassive black hole at the center of a galaxy in the Phoenix Cluster inflating huge "bubbles" in the hot, ionized gas surrounding the galaxy. The cavities inside the blue region were imaged by NASA's Chandra X-ray observatory. Hugging the outside of these bubbles, ALMA discovered an unexpected trove of cold gas, the fuel for star formatio...

Self-made stars

Astronomers observe black hole producing cold, star-making fuel from hot plasma jets and bubbles.

February 14, 2017

“There seems to be no shortage of exoplanets,” says Jennifer Burt, a Torres postdoctoral fellow in MIT’s Kavli Institute for Astrophysics and Space Research. “There are a ton of them out there, and a ton of science to be done.”

Scientists make huge dataset of nearby stars available to public

Users can search database of 1,600 stars to find signs of new exoplanets.

February 13, 2017

By studying the remanent magnetizations in ancient meteorites, an MIT team has determined that the solar nebula — the vast of disc of gas and dust that ultimately gave rise to the solar system — lasted around 3 to 4 million years.

Scientists estimate solar nebula’s lifetime

Study finds the swirling gas disk disappeared within the solar system’s first 4 million years.

February 9, 2017

Physicists from MIT, the University of Vienna, and elsewhere have presented a strong demonstration of quantum entanglement even when vulnerability to the freedom-of-choice loophole is significantly restricted.

Stars align in test supporting “spooky action at a distance”

Physicists address loophole in tests of Bell’s inequality, using 600-year-old starlight.

February 6, 2017

“Hydrogels are soft, wet, biocompatible, and can form more friendly interfaces with human organs,” says Xuanhe Zhao, associate professor of mechanical engineering and civil and environmental engineering at MIT.

Transparent, gel-based robots can catch and release live fish

Made from hydrogel, robots may one day assist in surgical operations, evade underwater detection.

February 1, 2017

An MIT-led study finds that technological advances alone will not bring about dematerialization, or the reduction of the amount of materials needed to produce goods and services.

Study: Technological progress alone won’t stem resource use

Researchers find no evidence of an overall reduction in the world’s consumption of materials.

January 19, 2017

Researchers report that warming from short-lived compounds — greenhouse gases such as methane and chlorofluorocarbons, that linger in the atmosphere for just a year to a few decades — can cause sea levels to rise for hundreds of years after the pollutants have been cleared from the atmosphere.

Short-lived greenhouse gases cause centuries of sea-level rise

Through warming effects, methane and other gases impact rising seas long after leaving the atmosphere.

January 9, 2017

MIT scientists have found that extreme precipitation events in California should become more frequent as the Earth’s climate warms over this century.

Study finds more extreme storms ahead for California

New technique predicts frequency of heavy precipitation with global warming.

January 3, 2017

MIT engineers have studied a simple vehicle-platooning scenario and determined the best ways to deploy vehicles in order to save fuel and minimize delays.

Driverless platoons

Analysis finds autonomous trucks that drive in packs could save time and fuel.

December 20, 2016

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