How cells know when it's time to eat themselves

Researchers at the University of California, San Diego School of Medicine have identified a molecular mechanism regulating autophagy, a fundamental stress response used by cells to help ensure their survival in adverse conditions.

Hemp 'goes hot' due to genetics, not growing conditions

As the hemp industry grows, producers face the risk of cultivating a crop that can become unusable—and illegal—if it develops too much of the psychoactive chemical THC. Cornell University researchers have determined that ...

In cellular biology, mistakes can be good

Mistakes are rarely rewarded. Intuitively, one would imagine that a shoddy typist at an office who keeps generating typos would either quickly lose their job, or at least be overlooked for promotion. The idea that this person ...

Study: 'E-waste pollution' a threat to human health

In addition to its damaging effect on the environment and its illegal smuggling into developing countries, researchers have now linked e-waste to adverse effects on human health, such as inflammation and oxidative stress ...

Dogs yawn more often in response to owners' yawns than strangers

Dogs yawn contagiously when they see a person yawning, and respond more frequently to their owner's yawns than to a stranger's, according to research published August 7 in the open access journal PLOS ONE by Teresa Romero ...

The social transmission of stress in animal collectives

Stress is a widespread phenomenon that occurs when, for example, humans feel threatened or overwhelmed, have too much work or are in imminent danger. We communicate to others that we are stressed through our behavior and ...

Fish undisturbed by flash photography

Fish experience stress, as do mammals and humans. When under stress, fish release the hormones adrenaline and cortisol. A team of scientists spearheaded by IGB has investigated whether flash photography induces an increase ...

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