U.S. Shark Attacks

52: Number of unprovoked shark attacks in the U.S. last year (compared with 20 elsewhere in the world). None were fatal. 28: Number of attacks in Florida, the most of any state. Runners-up were Hawaii (seven), South Carolina (five), California (four) and North Carolina (four). 65%: Percentage of attacks involving surfers (or people doing other board sports); 32% involved swimmers. The rest involved […]

Read more

Time travel

Sorry, science-fiction fans: Time travel is impossible.  That is the sobering conclusion, anyway, of a Hong Kong-based team of physicists.  They found that the maximum speed of a single photon, the basic unit of light, “obeys the traffic law of the universe,” Agence France-Presse reports.  The photon cannot go faster than the speed of light—186,282 miles per second—and thus provides […]

Read more
1 30 31 32 33 34 35