US moves to tackle scourge of 'robocalls'

"Hello? Who's calling?" For many Americans these days, the call is coming from a "bot" or automated program that seeks to trick them into giving up money or important personal data.

Engineering high-dimensional quantum states

The adoption of high-dimensional quantum states in quantum information protocols enables better performances in applications ranging from secure quantum communications to fault-tolerant quantum computation. Development of ...

UN: Fight climate change with free condoms

(AP) -- The battle against global warming could be helped if the world slowed population growth by making free condoms and family planning advice more widely available, the U.N. Population Fund said Wednesday.

A new approach to making climate treaties work

(Phys.org) —Why can't global leaders agree on a broad, effective climate change pact? More than 20 years after they began, international negotiations based on the United Nations Framework Convention on Climate Change have ...

Peculiar traffic routes suggest hijacking headaches

(Phys.org) —Findings from Internet intelligence company Renesys sound an alert to a hijacking practice in the form of traffic misdirection on the Internet. A November 19 blog on the Renesys site has since caught the attention ...

YIP research leads to new security algorithms

The Air Force Office of Scientific Research's Young Investigator Research Program is enabling new scientists and engineers with exceptional ability to do creative basic research, enhance their career development and develop ...

NASA reveals new results from inside the ozone hole

NASA scientists have revealed the inner workings of the ozone hole that forms annually over Antarctica and found that declining chlorine in the stratosphere has not yet caused a recovery of the ozone hole.

Ozone-depleting CFCs hit record despite ban: Study

Their power to dissolve the ozone layer shielding Earth from the Sun prompted a worldwide ban, but scientists on Monday revealed that some human-made chlorofluorocarbons have reached record levels, boosting climate-changing ...

page 14 from 40