Science

Can We Change The Past?

Putting humans and consciousness aside, at the level of quantum particles, Wheeler's delayed-choice experiments show that actions in the present can influence the past, says physicist Marcelo Gleiser.

Hidden Brain: A Study Of Airline Delays

Flight delays and late arrivals have gone down since 1990. At the same time, airlines have increased scheduled flight times because flights are taking longer, and more time is spent taxiing.