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    Extreme exercise can pose risks. A cardiologist explains why.

    An enlarged heart can lead to abnormal heart rhythms (Image credit: Professional Studio Images/E+ via Getty Images) Exercise has long been recognized by clinicians, scientists and...

    ‘Finally, we have the evidence’: James Webb telescope spots neutron star hiding in wreckage of famous 1987 supernova

    The NASA/ESA/CSA James Webb Space Telescope has observed the best evidence yet for emission from a neutron star at the site of a well-known...

    1st US spacecraft on moon in 50 years tipped over and face-planted near a crater

    A wide-field photo of the moon's surface taken from one of Odysseus' onboard cameras. (Image credit: Intuitive Machines) The first private spacecraft to ever land on...

    ‘It is not very wise to spend the night in Grindavík’: Iceland volcano gears up for another eruption

    Aerial view of a volcanic eruption on the outskirts of Grindavik in Iceland on Dec. 18, 2023. (Image credit: ICELANDIC DEPARTMENT OF CIVIL PROTECTION AND...

    ‘Quantum memory breakthrough’ may lead to a quantum internet

    As well as being faster, quantum communications are inherently secure — while classical communications can be intercepted or manipulated. (Image credit: PM Images via Getty...

    Tiny lab-grown testicles look remarkably like the real thing under the microscope

    The new model testicles could have important health implications, the researchers who made them say. One of the artificial testicles is pictured above in...

    Asics Gel-Kayano 30 review

    Runners whose form dips over longer distances or who flit between a neutral and overpronated gait will appreciate the subtle support provided by the...

    Teens use HIV prevention meds way more if they get these simple interventions

    Automated text messages and virtual coaching can boost the use of HIV-prevention meds among at-risk teens and young adults. (Image credit: Cavan Images via Getty...

    Earth has extra moons, and they may hold the secrets of our solar system’s past

    Near-Earth asteroids are similar to time capsules, holding secrets to the early history of the solar system, experts say. Temporary companions called 'minimoons' may...

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