Most people hate the thought of turning grey, but surprisingly more people start to notice that their hair changes colour in their 30s or even in their 20s. This could be an indicator that you lack the vitamin B12, which can also cause tiredness and weight loss.
Treatment for this can be vitamin B12 injections, but you should first get diagnosed from your GP. Eating meat, fish, eggs and milk can also help.
Tools designed to ensure computer code in smart cars does not crash has been inspired by hungry penguins.
The rounded sleeping capsules send guests drifting into ocean before arriving on desert island by morning.
Sitting on the saddle activates the part of the brain responsible for learning, a study has claimed.
Scientists are appealing for more people to donate their brains for research after they die.
Life on Earth may have arrived from Mars on an asteroid, scientists have claimed.
Lunar mission scheduled at the end of 2017 could find out if beer can be brewed on the moon.
A bottle used to teach children how far litter can travel ended up on Scottish beach after 8,700-mile journey.
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