Just how partisan is the press, and should the public be worried?
Astronomer Lisa Kaltenegger reckons the galaxy could contain as many as 40 billion habitable planets. Here, she speaks about the search for those faraway worlds and signatures of life.
Replacing the annual farming cycle with perennial crops could be better for soil, water and wildlife
Here’s how the inevitable came to be, and where it may be headed
In general, it promotes health. But it might not if your relationship is troubled or your partner is ill. Here's why, and what can be done.
An expert’s view on a common-sense diet: Don’t fuss over details, and put more plants on the plate
Engineers aim to build machines that put people at ease. The effort reveals truths about ourselves.
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