In the Age of Extinction, which species can we least afford to lose?
Climate change and human intervention are accelerating the planet’s loss of biodiversity. So should we try to preserve ‘useful’ bees before ‘cuddly’ tigers?
Science
Tesla museum crowdfunding project closes in on $200,000
Contributors who donate $125 will be given an engraved brick at museum site in Long Island
The climate debate must include nuclear
Letters: Hinkley Point C, when built, will produce more carbon-free electricity than all wind farms currently operational in the UK
Brian Cox: scientists giving false sense of debate on climate change
‘Research presented as overly precise climate predictions rather than best advice is manipulated by nonsensical sceptics’
The science of mixing mind-blowing cocktails
A guide from 1948 still contains the best advice about cocktail-making – but modern mixologists use plenty of 21st-century science, too. Is all that effort worth it?
Will eating organic food make you healthier?
A major new study has found that organic foods contain higher levels of antioxidants and less harmful chemicals than conventionally farmed produce. But does that mean they are better for you? With your help, Karl Mathiesen investigates.
Let us know your thoughts. Post in the comments below, email karl.mathiesen.freelance@theguardian.com or tweet @karlmathiesen