Joshua Greene, cognitive neuroscientist and philosopher, explains why we care most about what is closest to hand.
'Nature endowed us with tuggable heartstrings, a crucial design feature for creatures whose survival depends on cooperation. But nature couldn't foresee that our survival might someday depend on cooperation across oceans and continents, and so neglected to outfit us with heartstrings that are readily tugged from a distance.' (Ht: A&L)
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...
3 hours ago
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