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Tech Xplore / Cyberattack hits Canvas system used by thousands of schools as finals loom

A system that thousands of schools and universities use was offline Thursday during a cyberattack, creating chaos as students tried to study for finals and underscoring education's dependence on technology.

8 hours ago
Phys.org / Ultrahigh-energy cosmic messengers may carry ultraheavy secrets

There may be an ultraheavy explanation for the mystery surrounding the origins of the highest-energy particles ever observed. Ultrahigh-energy cosmic rays are particles from space that strike Earth with energies far beyond ...

19 hours ago
Phys.org / The 'nostalgia effect': Scientists produce less disruptive work as they age

You probably know that Einstein changed the face of physics with his theory of relativity in his twenties. What you may not know is that he spent his later career on a crusade against quantum mechanics, the model that would ...

18 hours ago
Phys.org / Sharper brains switch to a 'not what you know, but who you know' mindset online and on social media, study shows

Forming social connections online and via social media reduces how much people engage with and learn from the content posted but significantly boosts their networking performance, according to new research. The study, published ...

17 hours ago
Medical Xpress / New study challenges the inevitability of cognitive decline and proves that brain gain is possible at any age

A study recently published in Scientific Reports reveals that cognitive decline is not an inevitable part of aging. Researchers from the Center for BrainHealth at The University of Texas at Dallas have demonstrated that adults ...

19 hours ago
Phys.org / Quantum metallurgy: Electron crystals deform and melt

In a process analogous to how solids melt into liquids, the electrons in many different metals form crystal-like patterns that can deform and melt, opening new pathways for neuromorphic computing and superconductors, University ...

20 hours ago
Phys.org / Mechanical method unlocks sunlight-driven wastewater cleanup

University of Birmingham researchers have demonstrated a new method to break down toxic pollutants in wastewater, using sunlight and molecular-thin catalysts created using an innovative "mechanical" approach. Non-degradable ...

17 hours ago
Medical Xpress / Leukemia stem cells cause treatments to fail, but findings open new avenues to overcome resistance

Scientists from the German Cancer Research Center (DKFZ) and the HI-STEM Stem Cell Institute have deciphered a key mechanism that contributes to treatment failure in acute myeloid leukemia (AML). They show that there are ...

17 hours ago
Phys.org / Pilot whales are already 'shouting' at full volume, but one busy waterway is pushing them to the edge

With over 60,000 ships passing through the Strait of Gibraltar each year, this stretch between the Atlantic and Mediterranean is one of the busiest waterways on the planet. This narrow strip of water is also home to a critically ...

18 hours ago
Medical Xpress / Driving data and vehicle sensors help detect early cognitive decline

With more older adults staying behind the wheel longer than ever, understanding how early cognitive changes affect driving has become increasingly important. In the United States, there are more than 50 million licensed drivers ...

18 hours ago
Phys.org / How soil bacteria help plants defend themselves against disease

A study led by researchers at the University of Liège reveals the mechanism by which surfactin, a molecule produced by beneficial soil bacteria, activates plants' immune defenses. This mechanism, distinct from the classical ...

18 hours ago
Phys.org / Harmless viruses trap Salmonella on flexible polymer in portable microfluidic sensor

Researchers at Worcester Polytechnic Institute (WPI) have developed a solid polymer coated with harmless viruses to detect the bacteria Salmonella enterica (S. enterica), an advance that could lead to new ways of finding ...

18 hours ago