Science
The term "Science" is extensive and covers a wide range of specialized topics. Science is an essential component of understanding the world around us. Children and adults alike are often fascinated by the scientific study and exploration of everything from technological advances to the countries of the world and even beyond earth - into outer space.
Arouse the curiosity of the student within you. Learn more about the ever-changing, astonishing world we live in. You don't need to wear a lab coat to enjoy science quizzes!
With categories that include energy, geography and astronomy, you can test your existing knowledge and brush up on your scientific studies. The beauty of science is that there is always something new to learn.
Geography Physics and Astronomy Inventions Chemistry Biology
Space
NASA's iconic images of Earth from space date back to the late 1960s--with snapshots taken by Apollo astronauts. The modern "blue marble" images are captured by machines and they're not photos. They're datasets collected by instruments aboard satellites and then translated into imagery on the ground.
As it circles Earth, NASA's Interstellar Boundary Explorer hunts for particles streaming in from beyond the solar system. It has intercepted hydrogen, helium, neon and oxygen atoms. IBEX principal investigator Dave McComas discusses how the abundance of those atoms hints at the Milky Way's composition.
The images from NASA's Gravity Recovery And Interior Laboratory (GRAIL) lunar spacecraft offer a fresh view of the moon's far side.
This week solar flares sent a huge blast of X-rays and charged particles screaming towards the Earth. Solar astronomer David Hathaway and physicist Doug Biesecker discuss the sun's explosive behavior, and how that 'space weather' affects satellites, airplanes and the electric grid.
A 33,000-year-old skull of a "wolf on the way to becoming a dog" was found in a Siberian cave. Evolutionary Biologist Susan Crockford, co-author of a study about the skull in PLoS ONE, discusses why the discovery challenges common beliefs about dog domestication.
Technology
Unmanned Aerial Vehicles (UAVs) are replacing boots on the ground in some wars. Commercially, UAVs are being used for things like crop-dusting and flood mapping. Experts discuss advances in drone technology and how to address legal and privacy concerns that stem from their use.
An IPO filing provides a window into wealth. In the case of Facebook, the wealth will likely be enormous and spread across hundreds if not thousands of early investors and employees. The number of millionaires and billionaires in Silicon Valley grew noticeably Wednesday.
Some people watch the Super Bowl for the ads. And this year, a lot of them have been online for days before the game. Eric Deggans of the Tampa Bay Times talks to Audie Cornish about the ads and how many of them are taking advantage of people watching TV with phones or tablets in their hands.
As the number of new Facebook users plateaus, the company will have to find ways to draw individual users in for longer periods of time if it hopes to keep ad profits growing.
Facebook just filed for its initial public offering and the company is rolling out it's new platform for all users. Also, Google announced it would overhaul its privacy policy. Host Michel Martin speaks with Cecilia Kang of The Washington Post about what all of this means for profitability and privacy in the online world.
NYT > Technology
Mark Zuckerberg?s success is a lesson in what works in Silicon Valley: Stay in charge, stave off potential predators and expand the company so quickly that no one can challenge the boss.
The European Union justice commissioner supported a request by E.U. governments that Google delay changes in its privacy policy while consumer implications are investigated.
The company warned it expected to post a fourth consecutive annual loss, of $2.9 billion, as sluggish sales and natural disasters weighed on its bottom line.
South Korean prosecutors indicted Park Jung-geun, a social media and freedom of speech activist this week for reposting messages from the North Korean government?s Twitter account.
The ruling by the Supreme Court was a rebuke to the government and came after years of litigation over a scandal involving telecommunications licenses sold at below-market prices.
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