About 17 years ago, J. Martin Laming, an astrophysicist at the U.S. Naval Research Laboratory, theorized why the chemical composition of the Sun's tenuous outermost layer differs from that lower down. His theory has recently ...
Astronomy
Mar 2, 2021
1
14710
Stanford University scientists have found that when recreational runners are left to their own devices and outfitted with a wearable fitness tracker, they prefer to run at the same calorie-saving pace, regardless of the distance ...
Other
Apr 28, 2022
0
342
Have you recently taken ownership of a shiny new activity tracking device? For many people, the essential fitness kit now includes gadgets designed not for sitting and staring at a screen, but for encouraging users to get ...
Other
Jan 15, 2018
0
12
(Phys.org)—In the galactic scheme of things, the Sun is a remarkably constant star. While some stars exhibit dramatic pulsations, wildly yo-yoing in size and brightness, and sometimes even exploding, the luminosity of ...
Space Exploration
Jan 11, 2013
122
0
Chirality, while not a rarity in the world of molecules, is nevertheless a special property. If a molecule is chiral (from the Greek word chiros = hand), it exists in two mirrored versions that are very similar but not identical—like ...
Nanophysics
Apr 29, 2022
0
165
(PhysOrg.com) -- A new NASA study underscores the fact that greenhouse gases generated by human activity -- not changes in solar activity -- are the primary force driving global warming.
Earth Sciences
Jan 30, 2012
26
0
It takes physical activity to stay heart-healthy on Earth and even more to stay healthy in space.
Space Exploration
Mar 22, 2018
1
36
Because they are portable and easy to operate at ambient temperatures, cold atmospheric pressure plasma jets (APPJs) should find innovative applications in biomedicine, materials science and fabrication industries. Research ...
Plasma Physics
Aug 24, 2010
0
0
Scientists have for the first time estimated the physical footprint of human activities on the deep seafloor of the North East Atlantic. The findings published in the journal PLoS ONE reveal that the area disturbed by bottom ...
Environment
Sep 14, 2010
3
0
This year's perennial back-to-school uniform discussion happens during a cost of living crisis. And we already know that the upfront and maintenance costs of school uniforms are a stress for families on lower incomes, in ...
Economics & Business
Jan 25, 2023
0
9
