I had a Skype chat Wednesday about Siberian permafrost in the context of climate change with Marina Leibman, a top Russian permafrost expert who had just returned from examining the unusual crater spotted on the Yamal Peninsula in Siberia late last week.
A barometer is an instrument that measures air pressure, allowing weather forecasters and scientists to better predict extreme weather events. Despite its incredible usefulness, inventing the barometer was no walk in the park. Asaf Bar-Yosef describes the series of scientists and events that contributed to the birth of the barometer -- and explains how it actually works.
What happens to all of that trash the dump truck picks up every week? It doesn't just disappear into a parallel universe: Each day, we all contribute to the local landfill, and the waste disposal system is pretty involved.
The Public Domain Review is a website that features collections of images, books, essays, audio recordings, and films that are in the public domain. Choose any of the collections to search for materials according to date, style, genre, and rights. Directions for downloading and saving media is included along with each collection of media.
As you might guess, nearly all of what I found in the collections on The Public Domain Review is content of a historical nature. The collections include short descriptions that explain the significance of the media you're accessing.
Water is both essential and unique. Many of its particular qualities stem from the fact that it consists of two hydrogen atoms and one oxygen, therefore creating an unequal sharing of electrons. From fish in frozen lakes to ice floating on water, Christina Kleinberg describes the effects of polarity.
The Independent Project is a result of a high school student's mission to create a school where students would feel fully engaged, have an opportunity to develop expertise in something, and learn how to learn.
You stick cookie dough into an oven, and magically, you get a plate of warm, gooey cookies. Except it’s not magic; it’s science. Stephanie Warren explains via basic chemistry principles how the dough spreads out, at what temperature we can kill salmonella, and why that intoxicating smell wafting from your oven indicates that the cookies are ready for eating.
The universe: is it everything, things we can see, or things that have existed and will one day exist? Or, perhaps it's all of the above. Whatever your conviction, the universe is here to stay...or is it?
Humanity has long been looking at the universe and asking the big questions: How did it begin? How will it end? Cosmologists are searching hard for the answers, but where do they even start? The answer is light. Pete Edwards outlines the six unique messages that light carries which, when put together, disclose a stunning amount of information to astronomers.