News tagged with vertebrates

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Fight or flight and the evolution of pain

Hard wired into the survival mechanisms of all animals is the perception of pain. Different stimuli, such as heat or cold, foul odors, chemicals or a blunt blow can trigger pain receptors in the body that, in the blink of ...

Jan 07, 2014 3.5 / 5 (2) 0

Do fish feel pain?

Fish do not feel pain the way humans do. That is the conclusion drawn by an international team of researchers consisting of neurobiologists, behavioural ecologists and fishery scientists. One contributor ...

Aug 09, 2013 4.1 / 5 (12) 12

Dinosaur-bird connection

The return of the American robin to back yards across the country is a lovely sign of coming spring. But the little songbird with the orange-red breast and bright blue eggs has some not-so-lovely relatives: ...

Feb 06, 2013 5 / 5 (2) 0