Rare Form of Magnetism Unlocked by Stacking and Twisting Graphene
Twisting a monolayer and a bilayer sheet of graphene into a three-layer structure leads to new quantum mechanical states. Since the discovery of graphene more…
Columbia University
Contrary to Some Claims, Cannabis Use Appears to Encourage, Not Replace, Opioid Use
Contrary to some claims, people in the U.S may not be substituting cannabis for opioids, according to new research at Columbia University Mailman School of…
Massive Volcanism Sent Great Waves of Carbon Into the Oceans Over Thousands of Years – Far Outpaced by Humans Now
The closest analog to modern times is no longer very close, study finds. A new study of an ancient period that is considered the closest…
Greenland Ice Sheet Already Reached Tipping Point 20 Years Ago
At the turn of the 21st century, unbeknownst to the world, the Greenland ice sheet likely entered a state of sustained mass loss that will…
Mummified 23-Million-Year-Old Leaves Show Ancient “Global Greening” Spurred by High Atmospheric Carbon
A unique New Zealand deposit opens insights into how modern climate change may proceed. Scientists studying leaves from a 23-million-year-old forest have for the first…
Deep-Earth Structures Discovered That May Signal Enormous Hidden Metal Lodes
Finding new giant copper, lead, zinc deposits could fuel green infrastructure. If the world is to maintain a sustainable economy and fend off the worst…
Potent Neutralizing Antibodies Isolated From COVID-19 Patients – Could Be Mass-Produced to Suppress Virus
Researchers at Columbia University Irving Medical Center have isolated antibodies from several COVID-19 patients that, to date, are among the most potent in neutralizing the…
Tiny Bubbles Make a Quantum Leap: Key Breakthrough to Quantum Technologies and Future Photonic Circuitry
Using sophisticated optical microscopy techniques, Columbia engineers are first to demonstrate that sufficient strain in 2D material can yield single-photon emitters, key to quantum technologies…
Ocean May Absorb Less CO2 as Man-Made Carbon Emissions Are Cut
Shrinkage due to COVID-19 may provide case in point. Volcanic eruptions and human-caused changes to the atmosphere strongly influence the rate at which the ocean…
Wake-Up Call: Measles Outbreak in NYC Fueled by Low Vaccination Rates and “Measles Parties”
Study is a wake-up call for the potential of another such outbreak, as vaccination rates plummet during the COVID-19 pandemic. An analysis of the 2018-2019…
Columbia Astronomer Estimates the Odds of Extraterrestrial Life and Intelligence Emerging in Alien Worlds
New study uses Bayesian statistics to shed light on how extraterrestrial life might evolve beyond our planet. Humans have been wondering whether we alone in…
Harmful Algal Blooms in Arabian Sea Fueled by Shrinking Snowcaps
Climate-driven shifts disrupt fisheries, desalination plants; problems may hit other regions. A uniquely resilient organism all but unheard of in the Arabian Sea 20 years…
Emerging Across the Globe: Potentially Fatal Combinations of Heat and Humidity
US Gulf Coast among regions hit with conditions not expected for decades. Most everyone knows that humid heat is harder to handle than the “dry”…
Unexpected Mental Processes Revealed in How the Brain Links Events to Form a Memory
2-photon calcium imaging (5x speed) of the activity responses of neurons in hippocampal area CA1 of a mouse as it learns to associate a neutral…
Fast, Flexible, Powerful Bioelectronic Devices Are Two Steps Closer With Columbia’s Soft Transistors
Columbia researchers design biocompatible ion-driven soft transistors that can perform real-time neurologically relevant computation and a mixed-conducting particulate composite that allows creation of electronic components…
Record Greenland Ice Loss in 2019 Driven by Unusually Clear Skies
Last year was one of the worst years on record for the Greenland ice sheet, which shrunk by hundreds of billions of tons. According to…
Cutting-Edge 3D Imaging Reveals How the Nose Detects Odor Combinations
Columbia study in mice shows how special cells in nose help the brain to distinguish between world’s near-infinite combinations of scents. Every moment of…
Uber and Lyft Ridesharing Linked to More Crash Injuries for Motorists and Pedestrians
Ride-hailing trips increase the number of crashes for motorists and pedestrians at pick-up and drop-off locations, reports a new study from researchers at the Columbia…