Scientists discover how mitochondria import antioxidants

Many of the processes that keep us alive also put us at risk. The energy-producing chemical reactions in our cells, for example, also produce free radicals—unstable molecules that steal electrons from other molecules. When ...

'Junk DNA' could be key to controlling fear

A piece of "junk DNA" could be the key to extinguishing fear-related memories for people struggling with post-traumatic stress disorder (PTSD) and phobia, according to a study from The University of Queensland.

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 ...

Nutrients make coral bleaching worse

A new study shows nutrients can aggravate the already negative effects of climate change on corals to trigger mass coral bleaching.

Nonlinear effects of wind on Atlantic ocean circulation

The Atlantic Meridional Overturning Circulation (AMOC) is a system of ocean currents that transports warm, salty water from the tropics to the northern Atlantic. As the water cools, it becomes denser and sinks, in a process ...

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 ...

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