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Phys.org / No more giants, no more heavy handaxes: Why early humans downsized their stone tools
For more than 1 million years, early humans in the Levant region of the eastern Mediterranean used a range of heavy tools, such as massive handaxes and stone balls, for important tasks, including processing animal carcasses. ...
Medical Xpress / A simple shot shows promise to reverse osteoarthritis within weeks
A research team including scientists and engineers from University of Colorado Boulder, CU Anschutz and Colorado State University has developed a suite of new therapies that prompt aging or damaged joints to repair themselves ...
Phys.org / 'Voorhees law' explains why the slower car often catches up
Many drivers will know the feeling: you pull ahead of the slower car you've been stuck behind and cruise the open road ahead at your own, faster speed. By the time you reach the next stop light, you're sure that you've left ...
Phys.org / From Jurassic Park to dreams of AI doom, pop culture shapes science more than we like to admit
The relationship between science and pop culture often looks like a one-way street: scientific discoveries inspire films, television and novels, particularly in science fiction. But the relationship really goes both ways, ...
Phys.org / How does spider venom damage human cells? Researchers uncover the killer mechanism of recluse spider toxin
Spiders are among Earth's most resourceful predators, nabbing prey by any means necessary. Orb weavers spin webs for capture. Wolf spiders ambush on the ground at night. Almost all spiders use venom when they hunt.
Phys.org / Scientists spot a solar flare with surprising spectral behavior
On August 19, 2022, solar astronomers using the Daniel K. Inouye Solar Telescope (DKIST) on the Hawaiian island of Maui caught the fading remnants of a C-class solar flare. Their observations showed something unusual: very ...
Medical Xpress / Cancer cases in Canada projected to hit 254,100 in 2026
Cancer rates in Canada will remain high in 2026. Lung, breast, prostate, and colorectal cancers will be the most common, making up 47% of new diagnoses, according to research published in CMAJ (Canadian Medical Association ...
Medical Xpress / Shifts in cancer mortality: Place of living increasingly determines where historic drop in cancer mortality reaches
In 1991, the U.S. experienced a significant shift in cancer death rates, as, for the first time, deaths began a steady decline that continues to the present day. Researchers at Mississippi State's Social Science Research ...
Medical Xpress / The brain's default mode network splits into 'sender' and 'receiver' zones, study finds
The default mode network (DMN) is a distributed set of interconnected brain regions that has long been associated with internally oriented cognition, such as remembering the past, thinking about the future, or thinking about ...
Medical Xpress / Skin protein K16 found to control inflammation in stressed skin
Keratin is the fibrous, waterproof protein that builds everything from our hair and nails to a rhino's horn. However, a tiny glitch in it can have problematic outcomes. A new study has found that changes in a keratin gene ...
Medical Xpress / Teen and young adult cancer survivors face double the risk of later cancers, finds study
Survivors of cancer in their teen and young adult years are at double the risk of most types of later cancers, according to research from Alberta published in the Canadian Medical Association Journal. Primary neoplasms—new ...
Phys.org / Flux pathway reveals why mussel-like liquid phase separation can happen in seconds
Have you ever wondered how mussels instantly glue themselves to rocks, allowing them to survive the crushing force of ocean waves? They complete this process in under 30 seconds. Yet, in a laboratory, replicating this process ...