On my way home from work one afternoon a few years back, I had a close encounter with a borderline F-2tornado (winds in excess of 113 mph or 182 km/h) near Shabbona, Illinois. Photographer: Claude Oesterreicher
If you’re driving down a dark road on a starry night, you might want to check the odometer. Earlier this month, when traveling astronomer Dennis Mammana did he was greeted with the significant mileage reading of 186,282 miles. That’s the number of miles light travels in one second.
An extraordinarily bright isolated star has been found in a nearby galaxy — the star is three million times brighter than the Sun. All previous similar “superstars” were found in star clusters, but this brilliant beacon shines in solitary splendor.
Dolphin Tapeko, is given an ultrasound scan to confirm that she is pregnant, at Brookfield Zoo in Illinois. Tapeko, is 29 years old and is about to become a mother for third time. Photograph Jim Schultz/Chicago Zoo Society
Alaska airlines is the first commercial airline to switch to paperless reference materials for pilots, replacing each flight bag with an iPad that contains hyperlinked colour PDF versions of 41 flight manuals, aeronautical navigation charts, systems reference cards, and other materials.