Twitter Still Can't Keep Up With Its Flood of Junk Accounts, Study Finds

Twitter Still Can't Keep Up With Its Flood of Junk Accounts, Study Finds

Flooding the Zone In an 16-month study of 1.5 billion tweets, Zubair Shafiq, a computer science professor at the University of Iowa, and his graduate student Shehroze Farooqi, identified more than 167,000 apps using Twitter's API to automate bot accounts that spread tens of millions of tweets pushing spam, links to malware, and astroturfing campaigns.

The Science of the Sniff: Why Dogs Are Great Disease Detectors

The Science of the Sniff: Why Dogs Are Great Disease Detectors

“Finding those individuals is currently very difficult,” says Logan.In this study, dogs were trained to sniff out malaria through the scent of the disease in samples of socks worn by infected children.Medical Detection DogsAn entomologist by training, Logan spent the early years of his career trying to understand why some people are more attractive to mosquitoes than others.

Flood detection is a surprising capability of microsatellites mission – Climate Change: Vital Signs of the Planet

Flood detection is a surprising capability of microsatellites mission – Climate Change: Vital Signs of the Planet

"When I saw the first land images of inland water bodies, I was amazed at their quality," said Chris Ruf, CYGNSS's principal investigator at the University of Michigan in Ann Arbor. The CYGNSS satellites measure wind speed by determining how choppy the water is from a microwave signal bounced off the ocean surface.