Neuroscience
Latest about Neuroscience
Fight or flight: The sympathetic nervous system
By Nicoletta Lanese, Scott Dutfield published
Reference The sympathetic nervous system activates the "fight-or-flight" response, quickly readying the body to handle dangerous or stressful situations.
Your eyes may reveal your true biological age
By Yasemin Saplakoglu published
By examining a person’s eyes, doctors might one day be able to predict that person's risk of early death, according to a new study.
We finally know why the brain uses so much energy
By Yasemin Saplakoglu published
Your brain may be leaking … energy, according to a new study that may explain why your noggin consumes 20% of the energy needed to keep your body running.
Why do men's eyebrows get bushier with age?
By Jennifer Welsh published
As men age, their testosterone levels stay high until age 70 or so, prompting their eyebrows — and ear and nose hair, too — to grow longer and longer.
Why does water squirt out of your eye if you blow your nose really hard?
By Jennifer Welsh published
Here's how some people can squirt liquids or smoke from their eyes.
Why did this man have copper-colored rings in his eyes?
By Rachael Rettner published
The rings were a clue to the man's rare disease.
Man can change his pupil size on command, once thought an impossible feat
By Yasemin Saplakoglu published
A 23-year-old student in Germany can shrink and enlarge his pupils on demand, according to a new case report — a feat that was previously thought to be impossible.
What is the hippocampus?
By Natalie Grover published
The hippocampus is a small region of our brain responsible for memory, learning and navigation.
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