COSI Blog

Science in the News

22
September
2014

Autumn Equinox

September 22 marks the Autumnal Equinox, a unique event that marks the beginning of fall in the Northern Hemisphere. The Autumnal Equinox will take place today at 10:29 pm Eastern time. On the equinox, both day and night are nearly equal in duration, each lasting approximately 12 hours. 

Demonstration of Autumn Equinox.
21
January
2014

Thinking about Climate Change: Global Warming versus Climate Change

My last blog post was inspired by social media comments, such as “So much for global warming”, made after a few particularly cold days in Ohio. As I mentioned previously, some of the confusion about the topic of global warming may come from the terminology we use to describe it. In my last post I explored the difference between weather and climate. Other terms that can be confusing are global warming and global climate change.
04
July
2013

The Elements of July 4th

Ah, holidays! There's nothing like them. With every occasion there is plenty of food, loved ones and just an overall good time. Though they're all special in their own right, what makes the 4th of July particularly fun are the roars, booms and flashing lights of fireworks....
Photo of fireworks.
10
June
2013

Water You Could Drink – On Mars!

The Opportunity Rover, one of the most successful explorers in history, has added another remarkable discovery to its résumé. Opportunity has found a type of clay that is deposited in water – not just any water, but water with the right chemistry for our kind of life. In the words of Project Manager Steve Squyres, "This is water you could drink."

What's the big deal? Haven't our intrepid Mars rovers already found lots of evidence for ancient Martian water? Yes, they have. But this discovery is different.
31
May
2013

Update: A Bang for the Flash!

They did it. A large collaboration of scientists, watching the spot in the constellation Leo where a humongous gamma ray burst occurred in late April, have seen the giant supernova explosion they were expecting after such a monumental event. Not only that, but the explosion was so large and powerful that it created the universe's oddest inhabitant – a black hole!
Update: A Bang for the Flash!
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