Benson and his colleagues propose Mummy Lake is an unroofed ceremonial structure, not unlike the ancient kivas and plazas elsewhere in the Southwest. They noted that the structure is similar in size to a great kiva found at a Pueblohistorical site near Zuni, N.M. It also resembles a ball court and amphitheater at the Puebloan village of Wupatki in Arizona — interestingly, Fewkes also thought these two structures were reservoirs. … [Read more...] about ‘Mummy Lake’ Used for Ancient Rituals, Not Water Storage
Time use survey
Do you prefer aero or upright, pedal power or electric? Whether you are a club or competitive, cycle only in fair weather at the weekend, suit up for the commute on Monday morning, or spend your winters in a virtual world on your indoor trainer, we want to hear from you. … [Read more...] about Calling all cyclists – enter our survey and prize draw!
The new findings "provide the strongest evidence to date that marijuana use by teenagers does not increase after a state legalizes medical marijuana, study co-author Deborah Hasin, a professor of epidemiology at Columbia University Medical Center, said in a statement. "Rather, up to now, in the states that passed medical marijuana laws, adolescent marijuana use was already higher than in other states," he said. [The Drug Talk: 7 New Tips for Today's Parents] … [Read more...] about Medical Marijuana Laws Don’t Increase Teen Use
The researchers used data from the Youth Risky Behavior Survey, conducted by researchers at the Centers for Disease Control and Prevention. The survey collects self-reported data from a nationally representative sample of high school students on various risky behaviors. … [Read more...] about Legalizing Medical Pot Doesn’t Increase Teen Use
Starting today, interested parties from around the world can opt-in to the Android Earthquake Alerts System and use their phones as mini seismometers to send data to Google. “To start, we’ll use this technology to share a fast, accurate view of the impacted area on Google Search,” said Marc Stogaitis a principal software engineer with Android. … [Read more...] about Google will use Android smartphones as earthquake detection devices