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Could solar panels in space be the energy source of the future?

The science of extraterrestrial solar panels and whether they can power our energy needs.

• 28 mins

Does warm weather mean more rats in UK towns and cities?

What’s the evidence behind rat infestation warnings? And farewell to wet wipe island

• 32 mins

What does caffeine do to our bodies?

The evidence on whether high caffeine energy drinks affect our health.

• 28 mins

Could we have evidence of life on Mars?

Results from Nasa's Perseverance rover may show signs left in rocks by living organisms.

• 30 mins