Dogs may use blinking as a subtle social signal

Blinking keeps eyes moist, sweeps away bits of dirt and dust, and helps the brain rest when processing visual information. But in dogs, it may also serve another function as a subtle social signal. That was one of the conclusions ...

How to CT scan a 400-pound crocodile

At 61, Bill had begun showing changes in his health—decreased appetite, weight loss and abdominal bloating. But his bloodwork was normal, leaving the cause of his symptoms unknown. The next step was clear: Bill should get ...

Australia's bird flu response: Too little, but it's not too late

When news broke over the weekend that Australia's first mainland case of bird flu in a mammal—the death of a long-nosed fur seal—had been detected, I felt deep sadness and dread for what's likely to come next. We should expect ...

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