The Marketplace in Your Brain
Neuroscientists have found brain cells that compute value. Why are economists ignoring them?
Neuroscientists have found brain cells that compute value. Why are economists ignoring them?
The famous biologist Stephen J. Gould once asked: If we rerun the tape of life, would the outcome of evolution be the same? For years, scientists have questioned whether evolution is predictable, or whether chance events make such predictability unlikely. A study published online in the Proceedings of the National Academy of Sciences finds that…
NASA has announced that astronomers using the Spitzer Space Telescope have found solid materials made out of Buckyballs in the star system XX Ophiuchi, which is 6,500 light years from Earth. This builds on some earlier findings, which detected Buckyballs in gaseous form in outer space. Buckyballs are probably one of the funnest molecules in…
A climate time machine has been erected in Australia. The contraption, comprised of several nine-story-tall frames with pipes that pump carbon dioxide into the air surrounding a forest, is part of an experiment to measure the effect of carbon dioxide on real woodlands — and get a glimpse of the future. The four-acre project, called…
There were many really big moments in science this year. From finding a long, long sought subatomic particle to pushing the limits of extraterrestrial exploration to righting an ethical wrong, science took some big steps in 2012. While they may not all be discoveries exactly, they all will have a major, lasting impact on science…
When human ancestors began scavenging for meat regularly on the open plains of Africa about 2.5 million years ago, they apparently took more than their fair share of flesh. Within a million years, most of the large carnivores in the region—from saber-toothed cats to bear-size otters—had gone extinct, leaving just a few “hypercarnivores” alive, according…
There seems to be little that distinguishes the indigenous Tsimane of northern Bolivia from dozens of other native Amazonian peoples. They still live in small communities, fishing daily, hunting and relying on subsistence farming. They remain relatively isolated from the outside world. They still have large families and fall victim to parasites, worms and infectious…