President Trump’s former top economic adviser, Gary Cohn, twice pulled paperwork off of Trump’s desk that the president was intending to sign to withdraw the United States from trade agreements..
The “chicken or egg” paradox was first proposed to describe the problem of determining cause-and-effect. Now, physicists show that, as far as quantum physics is concerned, the chicken and the egg can both come first. This is called `indefinite causal order’, as reported in Physical Review Letters..
One man's bipolar symptoms have been linked to the lunar cycle. Typically, our circadian rhythm (biological clock) is linked to the sun, but this patient's circadian rhythm was also linked to the moon. Every new moon, he experienced insomnia and switched from a depressive episode to a manic episode..
A new study of 100 hunter-gatherers cultures suggests team-based play fighting, found only in humans, builds up the skills used in lethal raiding, and team sports may have evolved because it improved the coordination and motor skills used in warfare..