Experiments in college classrooms show how tiny respiratory droplets known as aerosols can spread, even with good ventilation. The risk isn’t the same in every seat.
Many people in Victoria are opting to wear face shields instead of face masks. It’s allowed – but are they as effective at preventing the spread of COVID-19?
The 6-foot rule for social distancing doesn’t account for all risks, particularly indoors. Here’s what everyone needs to understand as cooler weather moves more activities inside.
SARS-CoV-2 can be spread through the air. But just how much of a factor that is has been hard to determine. Recent evidence suggests it is common, posing problems as public places begin to reopen.
Recommendations around mask usage are confusing. The science isn’t. Evidence shows that masks are extremely effective to slow the coronavirus and may be the best tool available right now to fight it.
Aerosols are the tiny particles of liquid and material that float around in our environment. When they come from an infected person, they may be a significant source of coronavirus transmission.
The CDC now recommends that everyone wear a face covering when they go into a public place. But there’s confusion about why and if this protects the wearer, people around them or both.
The CDC is reconsidering its policy about the widespread public’s use of masks, as is the World Health Organization. Here are the facts about when it’s appropriate to wear a mask – and what kind.
Vaping is under heavy scrutiny in the wake of six deaths and hundreds of illnesses. A product engineer who studies how people puff explains why the way users vape could be a clue.
As technology advances, tiny satellites no bigger than a loaf of bread have advanced from just proving they work to being big contributors in answering science questions.
The city of Phalodi has set a temperature record for India, hitting 51°C. Until now, India’s smog problem has curbed extreme temperatures. But that could be about to change.
A leading NASA scientist has asked CSIRO to stay in its global network that monitors atmospheric dust and pollution. The data are vital to understand the effects on weather and climate.