For decades, it has been thought that the key factor in determining whether a planet can support life was its distance from its sun. In our solar system, for instance, Venus is too close to the sun and Mars is too far, but Earth is just right. That distance is what scientists refer to as the “habitable zone,” or the “Goldilocks zone.”

It also was thought that planets were able to self-regulate their internal temperature via mantle convection—the underground shifting of rocks caused by internal heating and cooling. A planet might start out too cold or too hot, but it would eventually settle into the right temperature.

A new study, appearing in the journal Science Advances, suggests that simply being in the habitable zone isn’t sufficient to support life. A planet also must start with an internal temperature that is just right.

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A collaboration of physicists and a mathematician has made a significant step toward unifying general relativity and quantum mechanics by explaining how spacetime emerges from quantum entanglement in a more fundamental theory. 


Physicists and mathematicians have long sought a Theory of Everything (ToE) that unifies general relativity and quantum mechanics. General relativity explains gravity and large-scale phenomena such as the dynamics of stars and galaxies in the universe, while quantum mechanics explains microscopic phenomena from the subatomic to molecular scales.



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“La Fête du Slip”: is an annual event in Switzerland that aims to convey a “positive and celebratory approach to sexualities,” and through a series of creative events it addresses ideas surrounding gender, body image and sex. While the festival is an important event, which covers many issues, there’s a tongue-in-cheek flavour to the whole programme. As such, Berlin-based studio Dual Room has adopted a similar mischievous approach for the identity that’s been inspired by the glory hole – a universal cavern, devoid of judgement.

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