South African athlete Caster Semenya has received support from a #LetHerRun movement.The movement has been established to support female athletes banned from participating in official events because they have above average natural testosterone levels.Semenya cannot compete in 400m, 800m and 1 500m events unless she takes medicine to lower her testosterone levels.A #LetHerRun movement has…
By Leah Crane The rocks that came together to form Earth might have carried more water than we thoughtMARK GARLICK / SCIENCE PHOTO LIBRARY Our planet may have been born wet. When and how Earth got its water is an open question in planetary science. Now an analysis of meteorites from the inner solar system…
By Leah Crane Hubble Space Telescope image of the Sagittarius dwarf galaxyNASA, ESA, and The Hubble Heritage Team STScI/AURA A small galaxy called Sagittarius has been shaping the Milky Way for billions of years. Every time it has passed close to our galaxy, it has caused huge bursts of star formation that may even be…
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Taking care of your heart can feel like a tomorrow problem. After all, strain on the organ often piles up stealthily, plaque building in your arteries or blood pressure ticking upward for years without noticeable symptoms—that is, until a serious issue strikes, and you wish you intervened yesterday. It’s the reason cardiologists suggest auditing your