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Researchers have demonstrated three new techniques to prevent so-called "backdoor attacks," which induce malicious or undesirable behavior in AI models. The researchers have also proposed a concept that would repurpose backdoor ...

Enzymes are biology's tiny chemists. They help build, break and rearrange molecules quickly and precisely. In the lab, scientists have long put enzymes to work making useful chemicals. But nature's enzymes cannot do every ...

An international team of researchers led by UT Southwestern Medical Center has developed a versatile light-sheet microscope that captures 3D views of biological samples, from activity inside living cells to larger tissues. ...

Penn State researchers have refined an atom-scale model of how silicon carbide changes from a solid into vapor during crystal growth, work that could help manufacturers produce higher-quality material for advanced electronics ...

Researchers at Emory University School of Medicine have identified 10 blood proteins that, when analyzed together, can distinguish people with amyotrophic lateral sclerosis (ALS) from healthy individuals with nearly 98% balanced ...

A figure in red trudges across a blanket of white. Snow squeaks under the scientist's feet, too dry to be slick or soft. Only a line of flags and a few large buildings—the scientist's destination—break up the landscape. The ...

Few insects have a more gruesome lifestyle than Darwin wasps. Rather than simply hunting other animals, these parasitic wasps lay their eggs on or inside living hosts, including caterpillars, beetles and spiders. Their larvae ...

Smartwatches may be able to detect hypertension (high blood pressure) with the help of an artificial intelligence (AI) system that interprets sensor readings, a paper in Nature reports. Tests of the system, trialed using ...

The growth of artificial intelligence has increased demand for more efficient data storage. Instead of adding bulk to satiate this appetite, researchers at Washington University in St. Louis are working to increase memory ...

Over two decades of research into the cellular mechanisms underlying Lowe syndrome have led to the identification of a potential therapeutic strategy for this rare genetic disorder, which affects the eyes, nervous system ...

Human cells turn genetic instructions into proteins with great precision. Critical for the translation of this information are transfer RNAs, or tRNAs, small molecules that read the genetic code three letters at a time and ...

The American Academy of Pediatrics has recommended a single intramuscular dose of vitamin K for newborns since 1961; however, in the last decade parents have increasingly elected to skip the shot.