Turning light energy into heat to fight disease

An emerging technology involving tiny particles that absorb light and turn it into localized heat sources shows great promise in several fields, including medicine. For example, photothermal therapy, a new type of cancer ...

US delays Huawei ban for 90 days

US officials have issued a 90-day reprieve on their ban on dealing with Chinese tech giant Huawei, saying breathing space was needed to avoid huge disruption.

Video: Staying fit in space

Managing the health of astronauts orbiting Earth at 28 000 km/h is a challenge, but how will we equip astronauts to stay healthy and deal with any medical emergencies during missions to the Moon or Mars?

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