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Competing ideas abound for how Earth got its moonScience News, April 2017
The moon’s origin story does not add up. Most scientists think that the moon formed in the earliest days of the solar system, around 4.5 billion years ago, when a Mars-sized protoplanet called Theia whacked into the young Earth. The collision sent debris from both worlds hurling into orbit, where the rubble eventually mingled and combined to form the moon.
Devastation detectives try to solve dinosaur disappearanceScience News, January 2017
Below the shimmering turquoise waters of Mexico’s Yucatán Peninsula lies the scene of a prehistoric mass murder. In a geologic instant, most animal and plant species perished. Drilling through hundreds of meters of rock, investigators have finally reached the footprint left by the accused: Earth’s most notorious space rock impact, Chicxulub. The dinosaur killer.
Year in review: AlphaGo scores a win for artificial intelligenceScience News, December 2016
In a hotel ballroom in Seoul, South Korea, early in 2016, a centuries-old strategy game offered a glimpse into the fantastic future of computing.
Melissa Omand’s clever tech follows the fate of ocean carbonScience News, September 2016
As chief scientist for a voyage of the research vessel Endeavor, oceanographer Melissa Omand oversaw everything from the deployment of robotic submarines to crew-member bunk assignments. The November 2015 expedition 150 kilometers off Rhode Island’s coast was collecting data for Omand’s ongoing investigations of the fate of carbon dioxide soaked up by the ocean.
New desalination tech could help quench global thirstScience News, August 2016
The world is on the verge of a water crisis. Rainfall shifts caused by climate change plus the escalating water demands of a growing world population threaten society’s ability to meet its mounting needs. By 2025, the United Nations predicts, 2.4 billion people will live in regions of intense water scarcity, which may force as many as 700 million people from their homes in search of water by 2030. Those water woes have people thirstily eyeing the more than one sextillion liters of water in Earth’s oceans and some underground aquifers with high salt content.
How alien can a planet be and still support life?Science News, April 2016
Just how fantastical a planet can be and still support recognizable life isn’t just a question for science fiction. Astronomers are searching the stars for otherworldly inhabitants, and they need a road map. Which planets are most likely to harbor life? That’s where geoscientists’ imaginations come in. Applying their knowledge of how our world works and what allows life to flourish, they are envisioning what kind of other planetary configurations could sustain thriving biospheres.
Changing climate: 10 years after An Inconvenient TruthScience News, April 2016
More than 25 years before the star-studded Los Angeles premiere of An Inconvenient Truth, glaciologist Lonnie Thompson was about as far away from the red carpet as possible. It was 1978, and high in the rugged Andes, Thompson and fellow scientists were witnessing the first glimpses of a pending worldwide disaster. Rising temperatures were melting ancient titans of ice and snow. Mammoth glaciers were disappearing at unprecedented rates and withering to the smallest sizes in millennia. The delicate balance of Earth’s climate was upset.
New fascination with Earth’s ‘Boring Billion’Science News, October 2015
Earth’s long history starts with an epic preamble: A collision with a Mars-sized space rock rips into the young planet and jettisons debris that forms the moon. Over the next few billion years, plot twists abound. The oceans form. Life appears. Solar-powered microbes breathe oxygen into the air. Colossal environmental shifts reshape the planet’s surface and drive the evolution of early life.
Shinsei Ryu: Error-free quantum calculationsScience News, September 2015
On the boundary between the quantum and everyday realms, things don’t always make a whole lot of sense. The bundles of particles that make up materials behave in ways both unexpected and unexplained. This is the weird world that theoretical physicist Shinsei Ryu hopes to bring into focus.
The magnetic mystery at the center of the EarthScience News, September 2015
Earth’s depths are a hellish place. More than 5,000 kilometers belowground, the iron-rich core scorches at temperatures comparable to the sun’s surface and crushes at pressures akin to the weight of 20 blue whales balanced on a postage stamp.
Ice particles shaped like lollipops fall from cloudsScience News, May 2017
Right now, somewhere in the world, it could be raining lollies. A 2009 research flight through clouds above the British Isles gathered ice particles with an unusually sweet look. Each millimeter-sized particle consisted of a stick-shaped piece of ice with a single water droplet frozen on the end, giving it the appearance of a lollipop. Atmospheric scientist Stavros Keppas of the University of Manchester in England and colleagues report the discovery of the atmospheric confections in a paper to be published in Geophysical Research Letters.
Mars may not have been born alongside the other rocky planetsScience News, May 2017
Mars may have had a far-out birthplace.
Crack in Antarctica’s Larsen C ice shelf forksScience News, May 2017
The 180-kilometer-long crack threatening one of Antarctica’s largest ice shelves has branched out, new satellite observations reveal. The main rift in the Larsen C ice shelf hasn’t grown longer since February. But radar mapping shows that a second crack has split off from the main rupture like a snake’s forked tongue, members of the Antarctic research group Project MIDAS reported May 1. That second branch, which stretches around 15 kilometers, didn’t exist on radar maps taken six days earlier, the scientists say.
Here’s how an asteroid impact would kill youScience News, May 2017
It won’t be a tsunami. Nor an earthquake. Not even the crushing impact of the space rock. No, if an asteroid kills you, gusting winds and shock waves from falling and exploding space rocks will most likely be to blame. That’s one of the conclusions of a recent computer simulation effort that investigated the fatality risks of more than a million possible asteroid impacts.
‘Fossil’ groundwater is not immune to modern-day pollutionScience News, April 2017
Groundwater that has lingered in Earth’s depths for more than 12,000 years is surprisingly vulnerable to modern pollution from human activities. Once in place, that pollution could stick around for thousands of years, researchers report online April 25 in Nature Geoscience. Scientists previously assumed such deep waters were largely immune to contamination from the surface.
Plot twist in methane mystery blames chemistry, not emissions, for recent riseScience News, April 2017
A recent upsurge in planet-warming methane may not be caused by increasing emissions, as previously thought, but by methane lingering longer in the atmosphere.
The Arctic is a final garbage dump for ocean plasticScience News, April 2017
The Arctic Ocean is a final resting place for plastic debris dumped into the North Atlantic Ocean, new research suggests.
‘River piracy’ on a high glacier lets one waterway rob anotherScience News, April 2017
Ahoy! There be liquid booty on the move in the high mountains. Since May 2016, a channel carved through one of northwestern Canada’s largest glaciers has allowed one river to pillage water from another, new observations reveal. This phenomenon, almost certainly the result of climate change, is the first modern record of river piracy caused by a melting glacier, researchers report online April 17 in Nature Geoscience. Such piracy was rampant as the colossal ice sheets of the Last Glacial Maximum began shrinking around 18,000 years ago.
More than one ocean motion determines tsunami sizeScience News, April 2017
Earthquake-powered shifts along the seafloor that push water forward, not just up, could help supersize tsunamis.
New tech harvests drinking water from (relatively) dry air using only sunlightScience News, April 2017
A new device the size of a coffee mug can generate drinkable water from desert air using nothing but sunlight.
Yuri Tschinkel Elected to German National Academy of SciencesSimons Foundation, April 2018
Yuri Tschinkel, director of the Simons Foundation’s Mathematics and Physical Sciences division, has been elected to the Leopoldina, the German National Academy of Sciences. The honor recognizes Tschinkel’s mathematical contributions, which focus on problems at the interface of algebraic geometry and number theory.
Artificial Intelligence Techniques Reconstruct Mysteries of Quantum SystemsSimons Foundation, March 2018
The same techniques used to train self-driving cars and chess-playing computers are now helping physicists explore the complexities of the quantum world.
Newly Discovered Goliath Galaxies from Early Universe Hint at Massive Dark Matter TroveSimons Foundation, December 2017
A newfound pair of galaxies from the early universe is so massive that it nearly breaks the current understanding of how the cosmos evolved.
Simons Investigators Awarded 2018 Breakthrough Prize, New Horizons PrizeSimons Foundation, December 2017
Three Simons Investigators were honored at the sixth annual Breakthrough Prizes on December 3.
The Great Barrier Reef is experiencing a major coral bleaching event right nowScience News, April 2017
A severe coral bleaching event spurred by high ocean temperatures has struck the Great Barrier Reef for an unprecedented second time in 12 months, reveal aerial surveys released April 10 by scientists at James Cook University in Townsville, Australia. While last year the northern third of the reef was hardest hit, this time around the reef’s midsection experienced the worst bleaching. The two bleaching events together span around 1,500 kilometers of the 2,300-kilometer-long reef.
Arctic sea ice hits record wintertime lowScience News, March 2017
Arctic sea ice has hit a record low for the third year in a row. It’s the paltriest maximum extent seen since recordkeeping began in 1979, scientists at NASA and the National Snow and Ice Data Center announced March 22.
Saturn’s ‘Death Star’ moon may not conceal an ocean after allScience News, February 2017
An ocean of liquid water probably doesn’t lurk beneath the icy surface of Mimas, Saturn’s smallest major moon, new calculations suggest. Scientists had proposed the ocean in 2014 to help explain an odd wobble in the moon’s orbit.
Antarctic sea ice shrinks to record lowScience News, February 2017
Sea ice around Antarctica shrunk to its lowest monthly extent on record in January, the National Oceanic and Atmospheric Administration reports.
Dual magma plumes fueled volcanic eruptions during final days of dinosaursScience News, February 2017
Not one but two rising plumes of magma from deep within the Earth fueled the titanic volcanic eruptions that marked the final days of the dinosaurs, new research suggests. The Deccan eruptions in what is now India, some scientists argue, helped wipe out most animal and plant species around 66 million years ago, including all nonbirdlike dinosaurs.
Antarctica’s Larsen C ice shelf nears breaking pointScience News, January 2017
One of Antarctica’s largest ice shelves is nearing its breaking point, scientists warn. A colossal crack in the Larsen C ice shelf abruptly grew by 18 kilometers during the second half of December 2016, members of the Antarctic research group Project MIDAS reported January 5. The crack is now only about 20 kilometers away from reaching Larsen C’s edge and snapping off a hunk of ice the size of Delaware.
CO2 emissions stay steady for third consecutive yearScience News, December 2016
Global emissions of carbon dioxide won’t increase much in 2016 despite overall economic growth, newly released bookkeeping suggests. The result marks a three-year-long plateau in the amount of CO2 released by human activities, scientists from the Global Carbon Project report November 14 in Earth System Science Data.
First signs of boron on Mars hint at past groundwater, habitabilityScience News, December 2016
A new element has been found in Mars’ chemical arsenal.
Solar panels are poised to be truly greenScience News, December 2016
The solar panel industry has nearly paid its climate debt. The technology will break even in terms of energy usage by 2017 and greenhouse gas emissions by 2018 at the latest, if it hasn’t done so already, researchers calculate.
Say hola to La NiñaScience News, November 2016
El Niño’s meteorological sister, La Niña, has officially taken over.
Infographic: ScienceWOW FactsScience, February 2014
— Thomas Sumner (@SumnerScience) February 13, 2014
— Thomas Sumner (@SumnerScience) February 15, 2014
— Thomas Sumner (@SumnerScience) February 15, 2014