A climatologist with the NOAA-funded Northeast Regional Climate Center at Cornell University, crunched numbers from the past 50 years of weather observations to calculate the best places for snow on the ground come Christmas and a dry drive to those New Year's Eve parties.
It's fairly easy to pick a holiday present, stick a bow on it and say "enjoy" when you give it to someone. It's tougher to give a gift that keeps on giving and challenges the mind. Luckily, there are plenty of gift projects for "makers" - from robot kits to programmable microcontrollers to musical instruments.
This festive NASA Hubble Space Telescope image resembles a holiday wreath made of sparkling lights. The bright southern hemisphere star RS Puppis, at the center of the image, is swaddled in a gossamer cocoon of reflective dust illuminated by the glittering star.
In the annual battle to keep roads clear of snow and ice, snowplows are about to get much more intelligent. Officials in three states this winter are deploying hundreds of plows with custom-designed sensors that continually measure road and weather conditions.
A study using data from Chandra and ground-based telescopes, combined with detailed theoretical models, shows that the supermassive black hole in M81 feeds just like stellar mass black holes, with masses of only about ten times that of the sun.