The green TV programmes that are now appearing, says the Boston Globe's TV critic, are shallow, self-satisfied, condescending, preachy , supercilious and smug. His advice? Stick with Planet Earth.
Graphene with ripples could help make better hydrogen fuel cells
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The one-atom-thick layer of carbon known as graphene can split hydrogen 100
times more efficiently than an equivalent mass of the best catalysts
because of...
4 hours ago
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