Caroline Williams

A blueberry a day

Do “superfoods” have miraculous health-giving properties, or are they a rotten swindle? Caroline Williams chews on the evidence

Norse mystery: the valley festooned with eerie lights

Cracking what causes the uncanny balls of light seen above Hessdalen in Norway could unlock unexpected ways for nature to make and store energy

Summon the bee bots: can flying robots save our crops?

If bees start to die out, robot insects may have to pollinate our fields. Building them is a huge task, but there are other ways for robots to aid bees

Earth shattering: How global warming will shake up the planet

The power of earthquakes and volcanoes might come from below, but climate change can unleash this power

Who are you calling simple

Simple cells are supposed to be, well, simple – but the list of exceptions is growing ever longer. Recent discoveries could even change our view of what the first cells were like

Truly remote regions of Earth revealed

In our hyperconnected world, getting away from it all is easier said than done, as a new set of travel-time maps reveal

The fire inside

Stress fuels inflammation, the hidden cause of many modern ailments. It is time to put out the blaze, finds Caroline Williams

What's the best way to get to sleep?

Williams features some tips to get to sleep. One is to switch off tablets, phones and laptops generate lots of short wavelength blue light, which interferes with production of the sleep hormone, melatonin. This is normally produced in the mid to late evening, but using screens for 2 hours before bed reduces melatonin concentrations by 22%.

The Great Family Brain-Off

We tend to think a bit more creatively in childhood, have faster reflexes in adolescence and be more logical in adulthood. Heres a game with a round that plays to the strengths of each generation, says Caroline Williams

Just like us

Its time to quit anthropomorphising and see dolphins for what they are, says Caroline Williams