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Oxygen from the Primeval Slime
Cyanobacteria were at work 2.5 billion years ago, making oxygen
How cyanobacteria slime probably produced the Earth's first oxygen 2.5 billion years ago, much earlier than previously thought. Genetic modification may protect cowpeas from insects – new research at the International Institute for Tropical Agriculture (IITA) in Nigeria. Ancient Egyptian make-up suggests advanced chemistry. Why does the much smaller Moon obscure the Sun in an eclipse seen on Earth?
Βι¶ΉΤΌΕΔ World Service Archive
This programme was restored as part of the World Service archive project
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Science In Action
The Βι¶ΉΤΌΕΔ brings you all the week's science news.
