Traffic accidents are the leading cause of non-natural deaths worldwide. Lower speed limits may help prevent accidents. But speed-reduction policies can be controversial and effects are not well documented.
Social Sciences
Jun 11, 2020
0
14
University of Maryland geophysicists analyzed thousands of recordings of seismic waves, sound waves traveling through the Earth, to identify echoes from the boundary between Earth's molten core and the solid mantle layer ...
Earth Sciences
Jun 11, 2020
26
21679
Let's time travel to the post-COVID future. It's almost time for summer vacation and you're scrolling on your laptop looking for vacation ideas. Suddenly, an ad pops up from a travel agency: Join the environmentally conscious ...
Environment
Jun 2, 2020
0
6
Believe it or not, time travel is possible.
General Physics
May 14, 2020
27
2076
Time travel into the past is a tricky thing. We know of no single law of physics that absolutely forbids it, and yet we can't find a way to do it, and if we could do it, the possibility opens up all sorts of uncomfortable ...
Astronomy
Apr 30, 2020
14
16
Delivering water to city dwellers can become far more efficient, according to Rice University researchers who say it should involve a healthy level of recycled wastewater.
Environment
Apr 28, 2020
0
459
Randomness governs many things, from the growth of cell colonies and the agglomeration of polymers to the shapes of tendrils that form when you pour cream into a cup of coffee.
Optics & Photonics
Dec 24, 2019
0
463
Two of Australia's leading strategic urban plans could be used or expanded to do much more to promote better places to live for all residents, according to a new report.
Social Sciences
Dec 24, 2019
0
4
If humankind reaches Mars this century, an Oak Ridge National Laboratory-developed experiment testing advanced materials for spacecraft may play a key role.
Condensed Matter
Nov 5, 2019
1
7
Why do some people cycle instead of taking the bus? Why do others drive rather than traveling by train? Two factors—price and journey time—have long determined how commuters choose to get to work. But much has changed ...
Social Sciences
Oct 9, 2019
0
7
