Is a ban on GM crops more harmful than growing them?

UK’s chief scientist has said GM crops could provide plentiful food with less damage to the environment and at lower costs. But does that mean we should grow them? Karl Mathiesen investigates.

Let us know your thoughts. Post in the comments below, email karl.mathiesen.freelance@theguardian.com or tweet @karlmathiesen

Party dressing rules: leather is out, glitter is in

Update your 2014 Christmas-party look with our seasonal style guide. The mood is grumpy but the sillier your bag the better

Reflecting sunlight into space has terrifying consequences, say scientists

But ‘geoengineers’ say urgent nature of climate change means research must continue into controversial technology to combat rising temperatures

How to get longer legs (according to Gwyneth Paltrow)

Gwyneth Paltrow’s lifestyle blog, Goop, recently ran an article about fascia fitness, which she claims will make your legs longer. Is there any truth to it? We asked an expert

Five womenswear trends adopted by men

Grime MC Wiley wearing socks and sandals? This season is not about men borrowing women’s clothing – thankfully – but about men borrowing women’s trends and making them their own. Dean Kissick tells you how to get the look

The new coat rules for men

It’s the most expensive piece of clothing you’ll buy all year – and you’ll wear it every day for months. So here are the top tips for choosing a coat this winter