Originally published on Fri August 31, 2012 5:12 pm
As a tropical storm was gathering strength last week, fears were growing that the fierce winds might knock out Gulf Coast refineries, send gasoline prices soaring and seriously damage the U.S. economy.
But when Hurricane Isaac slammed into the Gulf Coast on Tuesday, it was only a Category 1 hurricane, far weaker than Katrina, the monster storm that hit seven years ago.
Originally published on Fri August 31, 2012 3:39 pm
If you've paid any attention to the last day of the Republican National Convention, you've no doubt heard about Clint Eastwood's strange performance in which he laid into President Obama, whom he pretended was sitting in an empty chair.
This is SCIENCE FRIDAY. I'm Ira Flatow. You've probably heard of your distant cousins the Neanderthals, but how about a more secretive member of the family tree, the Denisovans? Yeah, ring a bell? No? That's because traces of Denisovans are hard to come by.
This is SCIENCE FRIDAY; I'm Ira Flatow. Five years ago this month, the I-35W bridge in Minneapolis collapsed, sending a full load of rush-hour traffic into the Mississippi River. The disaster injured nearly 150 people, killed 13. The bridge was literally falling apart.
How a cucumber creates its curling tendril has stumped scientists for centuries, including Charles Darwin and Asa Gray. With the help of time-lapse photography and prosthetic tendril fabricated in the lab, physicist Sharon Gerbode, biologist Joshua Puzey and colleagues figured out why tendrils twist, according to a new study in Science.