Science

Exoplanets can be weighed using starlight, reveal scientists

Exoplanets can be weighed using starlight, reveal scientists

Two MIT planetary scientists, Julien de Wit and Sara Seager, have published research showing how it is possible to determine the weight of an exoplanet using the surrounding starlight. Not only does this represent a way to determine the weight of something that is seemingly impossible to gauge, it will also facilitate the hunt for planets that are most like our own, possibly expediting the discovery of a planet like Earth.

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Researchers 3D print eye cells in bid to end blindness

Researchers 3D print eye cells in bid to end blindness

3D printing has been used to print a variety of objects -- firearms, casts, limbs, food. One of the most recent uses falls into the more altruistic efforts, with researchers announcing they've successfully printed eye cells, something that could eventually lead to a cure for blindness. The work was done by researchers at The University of Cambridge, and was published in the journal Biofabrication.

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Free flowing water on Mars needs to be protected from contamination

Free flowing water on Mars needs to be protected from contamination

NASA has put a number of probes onto the surface of Mars and in orbit around the red planet over the years. Each time NASA launches a mission to Mars, or any other body in our solar system, it takes steps to prevent any contamination of the planet. The problem is that as we explore the planets in our solar system for signs of life, we have to be sure that the life we might discover didn't get there because we contaminated the planet with life from Earth.

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Cat fossils found in China offer hints at how they were first domesticated

Cat fossils found in China offer hints at how they were first domesticated

If you have ever owned a cat, you know that they have an incredible independent streak and often do what they want, when they want no matter what their humans want. This independent streak in cats has left scientists wondering for a long time exactly how cats were first domesticated. A recent discovery of cat fossils in China sheds some light on how cats first came to be domesticated.

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