Making beautiful colours without toxic chemicals

Dyeing clothes uses a lot of water and chemicals, but new tech is drawing on nature for colours.

from BBC News - World https://ift.tt/2RHL2kv
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What we know about Spain's worst rail disaster in over a decade

What caused the train to derail remains unclear but officials say an investigation has been launched. from BBC News https://ift.tt/Mm58ZX4...