Butterfly effect can double travel of virus-laden droplets

Computer simulations have been used with great success in recent months to visualize the spread of the COVID-19 virus in a variety of situations. In Physics of Fluids, researchers explain how turbulence in the air can create ...

Lab instruments inside Curiosity eat Mars rock powder

(Phys.org)—Two compact laboratories inside NASA's Mars rover Curiosity have ingested portions of the first sample of rock powder ever collected from the interior of a rock on Mars.

Optical illusions: Variety makes us perceive smaller quantities

Here's another reason why dieters should avoid all-you-can-eat buffets: When faced with a large variety of items, consumers tend to underestimate how much of each item is present, according to a new study in the Journal of ...

Citizen science: knowing your food's carbon footprint

Sustainable food consumption is considered critical for combatting climate change. Sustainable food choices are thought to be key to reducing the environmental impact of human food consumption, with the food lifecycle contributing ...

Small streams have a big influence on our lives

Small streams make up 70%-80% of the total channel length of river networks, and they strongly influence downstream portions these networks. The role small streams ? known as headstreams ? play in retaining or transmitting ...

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