Health

When should you throw away leftovers?

Refrigeration is the most important invention in the history of food. But while commercial and home refrigerators have only been used for the past 100 years or so, people have long used cool natural environments to store ...

Health

Why we will probably never have a perfect clock

The time has come again when many of us switch our clocks from summer or daylight-saving time back to winter time. And the usual confusion sets in, is it an hour forwards or back? Why do we need to change the time at all? ...

Health

Regular bedtimes stop children getting 'jet lag'

What happens in the early years of a person's life has a profound effect on how they fare later on. Thousands of research papers – many of them using the rich data in the British Birth Cohort studies – have shown that ...

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