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There are three key nutrients that all plants need - nitrogen, phosphorous and potassium - but in different amounts. So finding fertiliser that suits all your plants might seem tricky, but there is a simple solution, says James Wong ...

Not only are children starting puberty earlier, they face a digital world where, for good and bad, most of their interactions are internalised. How We Grow Up is scary, illuminating and hopeful, says Chris Simms ...

After fifty years of books, games and movies, what more could the Aliens franchise deliver? An inventive TV show, with fresh monsters and new heroes, finds our TV critic Bethan Ackerley ...

We know fermented foods do us good, but the ZOE founder's new book still surprises with fascinating facts - and avoids feeling like an ad for his gut supplements, says Helen Thomson ...

Diagnosing mental health conditions like anxiety and depression can be difficult, but it turns out that your nose could help doctors understand when you are feeling the strain, says Gillian Forrester ...

There is growing opposition to environmental policies around the world, but could researchers have found a way around this, asks Graham Lawton ...

For women going through perimenopause, there is no shortage of advice on how to deal with the symptoms - but which strategies show real results, and which are social media hype?

A part of the brain that is about the size of a sunflower seed in people could play a big role in our food consumption ...

A rock found last year on the surface of Mars offered tantalising evidence that life once existed on the Red Planet. Now scientists have found yet more evidence that could point to the existence of ancient organisms - but we can't know for certain .. ...

Most human populations evolved to cope with low or high local levels of micronutrients such as zinc, but these localised adaptations might now be problematic ...