Was SpaceX launch about progress in space, or just a giant ad?
14 February 2018
The Falcon Heavy launch was more than just spectacle – it set the stage for a future Mars mission. Now we need to think about who's in the driver's seat
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Premium
Long haul with a free conscience
14 February 2018
Gone West is offering travellers and businesses a simple way to reduce their carbon footprints
Cape Town is about to run out of water – how did this happen?
14 February 2018
Cape Town's water reserves are so low that it may soon have to turn off the taps. We’ve known for a decade that this could happen, but almost nothing has been done
Hot sauce
14 February 2018
Why is there no insulation for saucepans? Or around kitchen sinks or bathtubs? Is it difficult and expensive, or just a lazy tradition inherited from wasteful innocent times?
Heated debate
14 February 2018
In your article about housework ("Germ Warfare", 14 January 2017), you said that after washing dishes we should "rinse with plenty of water, preferably hot". Why hot? Wouldn't it save money if they were rinsed with the cold water that comes directly...
Sting in the tail
14 February 2018
Mosquito bites frequently induce a sharp sting in people and some animals, with severe evolutionary consequences for the mosquito when it gets swatted. Are any mosquitoes evolving with delayed-action stings or reduced sting secretions so that they can...
Feedback: Does a robot in robes make a mechanical priest?
14 February 2018
Plus: the ageing effect of skipping birthdays, why conservatives are more attractive, the lonely life of Nigel the gannet, and more
Our cities are driving evolution and it's not all bad news
14 February 2018
Urbanisation may be overrunning our planet, but in his book Darwin Comes to Town, evolutionary biologist Menno Schilthuizen seeks – and finds – the positives
William Harvey: The delightful inside story of blood
14 February 2018
He spent 10 painstaking years working out how our blood really circulates: 17th-century physician William Harvey deserves his own London exhibition
Real-life Lord of the Flies experiment led us up the warpath
14 February 2018
Muzafer Sherif’s notorious experiment with children is held up as proof that conflict is in our blood – but a look behind the scenes tells a different story
