NASA and NOAA satellites have been providing valuable satellite imagery to forecasters at the National Hurricane Center, and revealed that Hurricane Irma has strengthened to a Category 5 hurricane on Sept. 5 around 8 a.m. EDT (1200 UTC).

On Sept. 4 at (1:24 p.m. EDT) 17:24 UTC, NASA-NOAA's Suomi NPP satellite captured this view of Hurricane Irma as a Category 4 hurricane approaching the Leeward Islands. The VIIRS instrument on the Suomi NPP satellite flew over Hurricane Irma on Sept. 4 at 04:32 UTC (12:32 a.m. EDT) when it was a Category 3 hurricane. VIIRS infrared data revealed very cold, very high, powerful thunderstorms on Irma's western side.  Cloud top temperatures in that area were near minus 117.7 degrees Fahrenheit or minus 83.5 degrees Celsius. Storms with cloud tops that cold have the capability to generate very heavy rainfall.

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Smart home products such as lamps controlled via mobile devices are becoming ever more popular in private households. We would, however, feel vulnerable in our own four walls if strangers suddenly started switching the lights in our homes on and off. Researchers at the IT Security Infrastructures group, FAU have discovered security problems of this nature in smart lights manufactured by GE, IKEA, Philips and Osram.

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Scientists have developed a camera that can see through the human body.

The camera is designed to help doctors track medical tools known as endoscopes that are used to investigate a range of internal conditions.

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As more people live into their 80s and 90s, researchers have delved into the issues of health and quality of life during aging. A recent mouse study at the UC Davis School of Veterinary Medicine sheds light on those questions by demonstrating that a high-fat, or ketogenic, diet not only increases longevity, but improves physical strength.

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