When drops of water touch the surface of a lotus flower leaf, they form beads and roll off, collecting dust particles along the way. In contrast, water droplets on a rose petal also form beads, but remain pinned to the petal's ...
Materials Science
Dec 31, 2019
1
176
Humans are diurnal—we are active in the day and sleep at night. But diurnalism is by far the exception rather the rule in mammals. About 250-230 million years ago, the mammalian ancestors, called the therapsids, became ...
Evolution
Oct 15, 2019
0
101
University of Tokyo researchers have announced a new approach for electrical cooling without the need for moving parts. By applying a bias voltage to quantum wells made of the semiconductor aluminum gallium arsenide, electrons ...
Quantum Physics
Oct 3, 2019
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103
We know that excessive consumption, industrial activity and growth in the global population are some of the factors threatening access to drinking water for an increasing proportion of people around the world. According to ...
Engineering
May 31, 2019
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125
Australians left with soaring energy bills in the wake of a scorching summer are about to face another harsh reality: the vast majority of the nation's houses do not meet the current minimum energy performance requirements.
Energy & Green Tech
Feb 27, 2019
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14
Some discoveries happen by accident. Consider how Sept. 28, 1928, unfolded: Alexander Fleming, back in the lab after a vacation with the family, was sorting through dirty Petri dishes that hadn't been cleaned before he went ...
Environment
Oct 30, 2018
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8
California is the nation's top milk-producing state and home to nearly 1.8 million dairy cows. California is also hot, especially for cows, which have trouble keeping cool when the weather gets warm. And when cows get too ...
Environment
Oct 2, 2018
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16
A team of researchers at Sun Yat-sen University in China has created a material with dual solar properties by adding tellurium nanoparticles to water—it showed both plasmonic-like and all-dielectric properties when exposed ...
Graphene coatings may offer the ability to control the water evaporation process from various surfaces, according to new research.
Nanomaterials
Jul 12, 2018
0
470
Meteorologists have known for some time that rainfall forecasts have flaws, as failure to take into account factors such as evaporation can affect their accuracy. Now, researchers from the University of Missouri have developed ...
Earth Sciences
Jun 12, 2018
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3
