Abrupt changes in ice core samples and other records indicate dramatic changes in climate occurred at certain points in the past.
Earth Sciences
Nov 16, 2021
0
144
More than 300 million tons of plastic waste are produced annually, which causes serious environmental issues because of plastic's life cycle and the difficulty of eliminating it.
Materials Science
Nov 4, 2021
0
76
Comets are icy and dusty snowballs of material that have remained relatively unchanged since they first formed billions of years ago. Studying the small bodies provides clues about the formation of the solar system.
Condensed Matter
Nov 3, 2021
0
269
As we approach two full years of the COVID-19 pandemic, we now know it spreads primarily through airborne transmission. The virus rides inside tiny microscopic droplets or aerosol ejected from our mouths when we speak, shout, ...
Soft Matter
Nov 2, 2021
0
186
Meteorologists and emergency workers continue to contest the popular thinking that waiting out a tornado under an overpass is safe. According to the National Weather Service, doing so could actually increase the risk of death, ...
Soft Matter
Oct 26, 2021
1
166
Seeing a person's face as we are talking to them greatly improves our ability to understand their speech. While previous studies indicate that the timing of words-to-mouth movements across the senses is critical to this audio-visual ...
General Physics
Oct 26, 2021
0
153
Accurate forecasting of epidemic scenarios is critical to implementing effective public health intervention policies. While much progress has been made in predicting the general magnitude and timing of epidemics, there's ...
General Physics
Oct 26, 2021
0
29
Along with the use of face masks, social distancing in public remains one of the most practiced front-line defenses against the spread of COVID-19. However, flows of pedestrians, including those practicing the 6-foot rule ...
General Physics
Oct 19, 2021
0
17
In many parts of the world, the supply of COVID-19 vaccines continues to lag behind the demand. While most vaccines are designed as a two-dose regimen, some countries, like Canada, have prioritized vaccinating as many people ...
General Physics
Oct 19, 2021
0
54
The COVID-19 pandemic has led to more than 218 million infections and over 4.5 million deaths as of Sept. 3, 2021. Nonpharmaceutical interventions (NPIs), such as case isolation, quarantining contacts, and the complete lockdown ...
General Physics
Oct 19, 2021
0
16
