How larger body sizes helped the colonizers of New Zealand

For the first time, researchers have developed a model to estimate how much energy the original colonizers of New Zealand expended to maintain their body temperatures on the cold, harrowing ocean journey from Southeast Asia.

How does the immune system react to altered gravity?

Space travel has always tested the human body by the effects of the new conditions of altered gravity on biological systems. It has long been known that continuous exposure to microgravity conditions human physiology and ...

'Non-essential' building block proves vital to a healthy protein diet

A "non-essential" amino acid—so-called because the body can make it from other nutrients—can act as a nutritional cue to guide the body's responses to a low-protein diet, a RIKEN-led team has found in a study on fruit ...

Dogs can smell when we're stressed, study suggests

The physiological processes associated with an acute psychological stress response produce changes in human breath and sweat that dogs can detect with an accuracy of 93.75%, according to a new study published this week in ...

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