In the era of smart phones with GPS and Google Maps, you're probably already familiar with the system of geographic coordinates that's commonly used to describe locations on the Earth's spherical surface. That system is based on latitude, the distance north or south from the Earth's equator, and longitude, which is the distance east or west of the Prime Meridian, an imaginary line that runs north to south through Greenwich, England. The distances are measured in degrees — 90 degrees in each direction for latitude, and 180 in each direction for longitude — and minutes, seconds and fractions of a second. (For more on how that system works, check out these pages from the U.S. Geological Survey and the IBM Knowledge Center.) … [Read more...] about How Do We Find Things in the Blackness of Space?
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Back in the 16th century, the word shinobi was used as an adverb to describe any activity carried out in secret. In the monk's account, the invaders could have been mercenaries, common thieves or highly trained warriors. All we know was that they acted "in secret." But as early as the 17th century, Turnbull says, you start seeing exaggerated stories about Iga warriors in which shinobi the adverb becomes shinobi the noun. … [Read more...] about Research Center Seeks to Separate Ninja Fact From Fiction
Researchers also observed the quality of relationships between calves and caretakers through an avoidance distance test. The test, which measures the distance at which a calf will avoid a person who approaches it head on, revealed the stroked calves had a lower avoidance distance than the calves in the control group. In short, the calves who had been given special attention early on in their lives were less fearful and more welcoming when approached by people. … [Read more...] about Study: Cows Grow Bigger, Give More Milk After Early Positive Human Interaction
Launched in 2012, Giving Tuesday (often styled with a hashtag as #GivingTuesday) was created by the Belfer Center for Innovation & Social Impact at the 92nd Street Y. This New York City-based cultural center sought to use a social media-based platform to kick off the charitable giving season, while also encouraging donors not to wait until the end of the year to make contributions. The organization teamed up with the United Nations Foundation and executives from Mashable, Facebook and Groupon to spread the word about the day. … [Read more...] about After Cyber Monday, People Open Their Wallets for Giving Tuesday