Heat flows from hot to cold objects. When a hot and a cold body are in thermal contact, they exchange heat energy until they reach thermal equilibrium, with the hot body cooling down and the cold body warming up. This is ...
General Physics
Jun 27, 2019
1
914
A new study on kangaroo paws by The University of Western Australia and researchers at Kings Park and Botanic Gardens has challenged existing views that plants favour long distance rather than short distance pollination to ...
Evolution
Jun 27, 2019
0
0
Cryptocurrencies have become a global phenomenon in the past few years. Now Facebook is launching it's own cryptocurrency, in association with Visa, MasterCard, Uber and others. The stated aim of Libra is to "enable a simple ...
Internet
Jun 27, 2019
0
1
Conservation organizations across the United States plant milkweed to combat the loss of monarch butterflies, whose populations have declined around 90 percent in the last two decades. Where they plant may be important, according ...
Plants & Animals
Jun 27, 2019
0
1
Each year, more than four million young people in the United States experience some form of homelessness. Identifying exactly when and why that happens could open the door to better solutions.
Social Sciences
Jun 27, 2019
0
1
Encouraging hobbies and activities is more than an important part of healthy aging. According to a team of Penn State College of Information Sciences and Technology researchers, these passions of older adults can be sources ...
Social Sciences
Jun 27, 2019
0
1
In many situations, engineers want to minimize the contact of droplets of water or other liquids with surfaces they fall onto. Whether the goal is keeping ice from building up on an airplane wing or a wind turbine blade, ...
Nanomaterials
Jun 27, 2019
0
2
Forensic investigators arrive at the scene of a crime to search for clues. There are no known suspects, and every second that passes means more time for the trail to run cold. A DNA sample is discovered, collected, and then ...
Biotechnology
Jun 27, 2019
0
0
When ozone and skin oils meet, the resulting reaction may help remove ozone from an indoor environment, but it can also produce a personal cloud of pollutants that affects indoor air quality, according to a team of researchers.
Biochemistry
Jun 27, 2019
0
2
Unlike Andy Warhol's famous silkscreen grids of repeating images rendered in different colors, the varying hues of this galaxy represent how its appearance changes in different wavelengths of light—from visible light to ...
Astronomy
Jun 27, 2019
2
0
