Birds in captivity lose hippocampal mass

(PhysOrg.com) -- Being in captivity for just a few weeks can reduce the volume of the hippocampus by as much as 23 percent, according to a new Cornell study.

Cognitive flexibility moderates teacher stress, shows study

As part of their work, educators are often exposed to various stressful events, including violence between students or towards teachers, sexual assault and suicidal behavior, as well as death or illness of students or their ...

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 ...

'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.

Scientists show technology can save people from shark bites

With shark bites increasing in countries like Australia—scientists say the use of personal electronic deterrents is an effective way to prevent future deaths and injuries which could save the lives of up to 1063 Australians ...

Flies sleep when need arises to adapt to new situations

Flies that cannot take to the air respond by sleeping more as they learn to adapt to their flightlessness, according to a study from Washington University School of Medicine in St. Louis. The findings, published May 8 in ...

Make room on the couch: Worms suffer from PTSD, too

The ability to anticipate the future is key to the survival of all living things. Like humans, worms are capable of forming associative memories—that is, memories that associate a certain sound or smell or tone of voice ...

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