ESA selects EnVision orbiter to uncover mysteries of Venus

ESA has selected EnVision as its next Venus orbiter. Scheduled to launch between 2031 and 2033, the robotic deep-space probe will carry out a comprehensive survey of Earth's sibling planet to learn why the two turned out so very different.

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Microspheres coated in stem cells could help mend broken hearts

The heart has a limited capacity to heal itself, so heart attack survivors often have further episodes. Now, scientists have grown heart cells from stem cells, embedded them onto microspheres and injected them into damaged hearts to help repair them.

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