Earth Sciences

Atmospheric 'teleconnections' sustain warm blobs in the northeast Pacific Ocean

The past 10 years have seen a series of "warm blobs" in the northeast Pacific Ocean. These marine heat waves do widespread damage to ecosystems and marine life in the area, but the mechanisms by which they develop and are ...

Astronomy

New observatory in Chile—the highest in the world—aims to reveal origins of planets, galaxies and more

How do planets form? How do galaxies evolve? And ultimately, how did the universe itself begin? A unique astronomical observatory that researchers hope will unravel some of the biggest mysteries out there marks its opening ...

Study uncovers the secret of long-lived stem cells

Nothing lives forever, but compared to other cells in the body, hematopoietic stem cells (HSCs) are remarkably long-lived. HSCs are blood-forming cells—they give rise to rapidly dividing progenitor cells, which in turn ...

Popular teenagers sleep less than their peers, study finds

Due to a later melatonin onset and increased alertness in the evening, teenagers often find it hard to fall asleep at a time that would allow them to clock up the recommended eight to ten hours of sleep each night.

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Medical Xpress

Tech Xplore

Treatment-related pain may be 'socially contagious'

An individual's experience of pain from medical treatment can be heightened by witnessing other people's responses to the same treatment, with this negative experience subsequently spreading to others, scientists have discovered.

US Republicans vote to remove wolf protections

The Republican-majority US House of Representatives on Tuesday passed a bill that would remove endangered species protections for the gray wolf across much of the country, sparking outrage among conservationists.

The academic sleuth facing death threats and ingratitude

Lonni Besançon devotes evenings and weekends to rarely appreciated sanitation work. By examining scientific articles after they are published and exposing shortcomings, he has made himself an enemy of both researchers and ...

ALICE gets the green light for new subdetectors

Two detector upgrades of ALICE, the dedicated heavy-ion physics experiment at the Large Hadron Collider (LHC), have recently been approved for installation during the next long shutdown of the LHC, which will take place from ...

Scientists turn a hydrogen molecule into a quantum sensor

Physicists at the University of California, Irvine have demonstrated the use of a hydrogen molecule as a quantum sensor in a terahertz laser-equipped scanning tunneling microscope, a technique that can measure the chemical ...

Large Hadron Collider restarts after three-year break

The Large Hadron Collider restarted Friday after a three-year break for upgrades that will allow it to smash protons together at even greater speeds, in the hope of making new ground-breaking discoveries.

Dingoes aren't just feral dogs, says study

Dingoes might look like regular mutts, but in fact they're genetically in between wolves and dogs, according to a new study published Friday in Science Advances.

Discovery sheds light on why Pacific islands were colonized

The discovery of pottery from the ancient Lapita culture by researchers at The Australian National University (ANU) has shed new light on how Papua New Guinea (PNG) served as a launching pad for the colonization of the Pacific—one ...

Antarctic sea-ice expansion in a warming climate

Antarctic sea-ice has expanded over the period of continuous satellite monitoring, which seemingly contradicts ongoing global warming resulting from increasing concentrations of greenhouse gasses. In a study, published in ...

How COVID-19 affects farmers and the food supply chain

Empty shelves lining supermarkets, farmers dumping milk and abandoning fields of crops, restaurants laying off staff—the American food landscape has changed dramatically in just a month, thanks to stay-at-home advisories ...

Rural areas near big cities less vulnerable to disasters

Rural populations living around large cities have better access to resources and are therefore less vulnerable to disasters than rural communities located near small cities, a new study conducted in Pakistan's Punjab province ...

Leading through COVID: Helping the hardest hit

Even when the economy was roaring along, far too many Americans lacked the savings and support to respond to an unexpected loss of income. The COVID-19 crisis has thrown that fragility into stark relief. We talked with Andrea ...

COVID-19: The impact on supply chains

As the fight against the coronavirus continues and the country wrestles with when to reopen the economy, Zach G. Zacharia, associate professor of supply chain management and director of the Center for Supply Chain Research ...