256,108: the area, in acres, of forest that the Carleton Complex wildfire has burned across Washington state. Officials on Monday declared the wildfire “100 percent contained.”
1.7 million: acres of forest that have been scorched by wildfires this summer. It has been one of the quietest burning seasons in a decade.
81 percent: proportion of the American populace who have detectable levels of bisphenol S in their urine, which some studies suggest is almost as toxic as the now-banned bisphenol A chemical.
1,200: number of miles traveled by OR-7, the first gray wolf spotted in California in** 87 years**.
99.5: percent of visible light absorbed by this material created by NASA, which hopes to use it as a coating for telescope components to absorb unwanted light.
3,200 feet: the maximum distance at which a person can stand and still feel the effects of an LRAD, a military-grade sonic cannon capable of shooting powerful beams of sound. LRADs were used this week in Ferguson, Missouri to keep protesters away from police armored vehicles.
1,975: total number of cases, as of Thursday, of Ebola in West Africa’s current outbreak, including 1,069**** ****deaths. Sarah Fecht reports on four predictions made by a Columbia University epidemiologist.
1,024: number of Kilobots created by a Harvard University engineer. These tiny robots can swarm and self-assemble into any solid shape that the researchers request.
12: number of hours it takes for the Kilobots to make a shape. This robot army ain’t going nowhere yet.
4.57 inches: the rainfall in Detroit last Monday. Nearly six weeks worth of rain fell on the region in one afternoon, and many other areas in the U.S. have been hit just as hard in recent times.