Primordial dry ice fuels comet jets

One of the biggest comet findings coming out of the amazing images and data taken by the University of Maryland-led EPOXI mission as it zipped past comet Hartley 2 last week is that dry ice is the 'jet' fuel for this comet ...

Climate warming damages DNA of endangered songbirds

Extreme heat waves can cause birds and mammals to die en masse. But it's more common for an animal to experience relatively mild heat stress that doesn't kill it. Our new findings suggest that unfortunately, these individuals ...

Experiments show dogs can 'smell' radiated heat

A combined team of researchers from Lund University in Sweden and Eötvös Loránd University in Hungary has found evidence that dogs are able to "smell" radiated heat. In their paper published in the journal Scientific Reports, ...

Why 40°C is bearable in a desert but lethal in the tropics

This year, even before the northern hemisphere hot season began, temperature records were being shattered. Spain for instance saw temperatures in April (38.8°C) that would be out of the ordinary even at the peak of summer. ...

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