Dogs may use Earth's magnetic field to navigate

A team of researchers from Czech University of Life Sciences, Virginia Tech and Barry University has found evidence that suggests dogs may use Earth's magnetic field as a navigational aid. In their paper in the eLife Sciences ...

Rats show empathy, according to model

A rat first frees a cagemate rat and then shares food with it. Is this animal just as empathetic as humans? In an American study from 2011, researchers observed that rats first freed their fellow rats from a cage and then ...

How H5N1 bird flu hid unrecognized for weeks in dairy cattle

When H5N1 bird flu first began infecting U.S. cattle in early 2024, diagnosis was elusive because, in cows, the disease looked completely different. Instead of affecting the lungs, as H5N1 does in other mammalian species, ...

Only 10 viral particles cause H5N1 avian flu infection in cows

Just 10 viral particles of the H5N1 bird flu that caused hundreds of influenza outbreaks in U.S. dairy cattle can cause infection in cows, a new study shows. The research also hints at why the outbreaks have confounded scientists, ...

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