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Phys.org / Thinking outside the binding site: Drug molecule makes a square peg fit a round hole

A square peg doesn't fit a round hole. But what if the peg could change the shape of the hole? A newly developed drug molecule can do something surprisingly similar when binding to its target protein, according to a University ...

8 hours ago
Phys.org / Circular Rydberg atoms set three records, staying stable for 11 milliseconds

Rydberg atoms are considered promising building blocks for quantum computers and their precursors, quantum simulators. Researchers at the 5th Institute of Physics of the University of Stuttgart have achieved record values ...

12 hours ago
Phys.org / Caffeine pollution could disrupt crustacean defenses against predators

While most people are aware of how plastic, arsenic and various industrial chemicals can pollute bodies of water, the effects of caffeine on freshwater environments remain largely unknown. Nonetheless, traces of caffeine, ...

18 hours ago
Medical Xpress / US officials sidelined warnings about flawed COVID vaccine safety algorithm, investigation finds

U.S. health officials knowingly relied on a compromised algorithm to detect signals of harm from mRNA COVID-19 vaccines and silenced efforts to fix it, finds an investigation published by The BMJ today.

9 hours ago
Phys.org / We may soon be able to read long-lost ancient scrolls damaged by the eruption of Mount Vesuvius

X-ray technology and artificial intelligence—along with the discovery of lead in the ink of fragments from a collection of ancient Roman scrolls—could soon help scientists read long-lost texts buried by the eruption of Mount ...

14 hours ago
Phys.org / Tiny oyster larvae rely on gravity to feed

Eastern oyster larvae are only 100–300 micrometers long, but their dense calcium carbonate shells make them substantially heavier than the surrounding seawater. A new study led by the Woods Hole Oceanographic Institution ...

9 hours ago
Phys.org / Why Melbourne makes you sneeze in spring

When most Australians say 'spring is in the air,' they're speaking metaphorically, as the days become longer and warmer.

5 hours ago
Phys.org / Iron, sulfur and purple light unlock greener carbon-carbon bond formation

Much of organic chemistry, including the type used to create and alter medicinal drugs, relies on modifying carbon bonds. Rice University's Julian West has been developing a less expensive, faster and more environmentally ...

10 hours ago
Medical Xpress / Stable frontal signals, flexible hippocampal ones: How the brain preserves context as goals change

While humans are completing a task, they can temporarily store information in their minds while also manipulating and adapting it based on changing circumstances. To support this capability, known as working memory, the brain ...

20 hours ago
Phys.org / AI struggles to decipher 'animal language' because sound doesn't equal meaning, experts say

In recent years, numerous attempts have been made to use artificial intelligence to decipher the communication of bats, whales, birds and other animals. However, a new study led by a team of researchers from Tel Aviv University ...

10 hours ago
Phys.org / Compact optical screen could pave the way for cheaper infrared cameras

New research led by the ARC Center of Excellence for Transformative Meta-Optical Systems (TMOS) at the University of Melbourne demonstrates a new way to make invisible infrared light visible without relying on the expensive ...

9 hours ago
Medical Xpress / Early changes in the tumor environment may explain why immunotherapy works for some patients but not others

Two patients receive the same immunotherapy for the same cancer. In one, the tumor retreats and stays gone for years. In the other, the treatment does nothing. Oncologists still have no reliable way to tell these patients ...

9 hours ago