ScienceDaily: Science & Society News


Rainy days harm the economy

Posted: 12 Jan 2022 09:15 AM PST

Economic growth goes down when the number of wet days and days with extreme rainfall go up, a team of scientists finds. The data analysis of more than 1,500 regions over the past 40 years shows a clear connection and suggests that intensified daily rainfall driven by climate-change from burning oil and coal will harm the global economy.

Why we feel confident about decisions we make

Posted: 12 Jan 2022 07:56 AM PST

A team of researchers has shown for the first time that decisions feel right to us if we have compared the options as attentively as possible -- and if we are conscious of having done so. This requires a capacity for introspection.

Computer model seeks to explain the spread of misinformation, and suggest counter measures

Posted: 11 Jan 2022 12:37 PM PST

Researchers have come up with a computer model that mirrors the way misinformation spreads in real life. The work might provide insight on how to protect people from the current contagion of misinformation that threatens public health and the health of democracy.

How much do students learn when they double the speed of their class videos?

Posted: 11 Jan 2022 12:36 PM PST

A new study shows that students retain information quite well when watching lectures at up to twice their actual speed. With 85% of college students surveyed as part of the study reporting they "speed-watched" lecture videos, the researchers engaged students in a series of experiments to test how faster speeds affected learning. Recorded lectures have become a routine part of course instruction during COVID-19.