Corrinne Burns, The Guardian

Rex the bionic man shows how close technology is to catching up with – and exceeding – the abilities of the human body

Put down your coffee for a moment. Now, without thinking about it too much, use your hands to count to 10.

Today is the first ever Fascination of Plants Day. The day's festivities are aimed at raising awareness of the importance of plant science to the future of our food and energy supplies, and our health.

Few of us would be happy to find out that we'd been prescribed a placebo. When we're sick, we want real medicine.