Global warming to derail winter Olympics by century end?

Last Updated: Friday, January 24, 2014, 12:16

By the end of this century, only six of the previous winter Olympics host cities - including Sochi in Russia - would be cold enough to reliably host the games owing to global warming threats.

Astronaut Chris Hadfield documents his space odysseys

Last Updated: Friday, December 27, 2013, 19:24

The windows of a spaceship casually frame miracles. Every 92 minutes, another sunrise: a layer cake that starts with orange, followed by a thick wedge of blue and topped with richest and darkest icing decorated with stars.

Facebook, Twitter give clues to prevent disease spread

Last Updated: Saturday, October 5, 2013, 11:44

Facebook and Twitter could provide vital clues to control infectious diseases by using mathematical models to understand how we respond socially to biological contagions, scientists say.

Social media responses can help invent new disease control measures: Study

Last Updated: Friday, October 4, 2013, 11:48

Responses on social media sites like Facebook and Twitter can help to find vital clues to control infectious diseases and in developing new control measures, a new study has revealed.