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Sleep loss triggers brain fluid pulses that impair attention, study finds

By Hugo Francisco de Souza New neuroimaging research shows that when sleep-deprived people lose focus, the brain briefly ...

When standing meets vision: posture-driven retinal signals predict diabetic retinopathy progression

Diabetic retinopathy develops through complex microvascular damage driven by chronic hyperglycemia, yet traditional risk factors such as disease duration or glycemic control explain only part of ...
Quanta Magazine

Physicists Make Electrons Flow Like Water

We describe electricity as a flow, but that’s not what happens in a typical wire. Physicists have begun to induce electrons to act like fluids, an effort that could illuminate new ways of thinking ...

S&P/TSX composite rises more than 200 points helped by oil prices, U.S. markets slide

Canada’s main stock index rose more than 200 points on Thursday, helped by strength in the energy sector, while U.S. markets ...

U.S. stocks slip as AI fears keep rumbling and oil prices climb

U.S. stocks fall while oil prices climb.

US stock indexes drift lower as Walmart swings and oil prices rise

U.S. stock indexes are drifting lower while oil prices climb. The S&P 500 fell 0.4% Thursday. The Dow Jones Industrial ...

Most US stocks are falling, though gains for Walmart and Deere limit the damage

Asian shares are higher after U.S. stocks advanced, led by computer chip giant Nvidia. Markets in Greater China were closed for Lunar New Year holidays, ...