These are some of the discoveries researchers have made from strapping tiny solar-powered backpacks to migratory songbirds. For the past 10 years, scientists, educators and organizations across ...

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No adult with even vague ambitions of style would be caught dead with one. But backpacks have hitchhiked into greater acceptance. Young people are now opting for them over briefcases and tote bags.

These are some of the discoveries researchers have made from strapping tiny solar-powered backpacks to migratory songbirds. For the past 10 years, scientists, educators and organizations across North ...

Now an organisation is using that energy to help children read after dark in Tanzania - by using their backpacks to power a reading light. And they're using solar power, that's gathered free from ...