The human brain includes two hemispheres connected by a bundle of nerves. The left hemisphere controls movement for the right side of the body, while the right hemisphere directs the left side.

When most of us think "fireworks," we think of brilliant bursts of light and color we've seen paint a night sky. But such bursts are merely the spectacular end of fireworks that likely took ...

The cuttlefish has one of the largest brain-to-body size ratios of any invertebrate, perhaps even larger than that of the octopus. The cuttlefish brain can handle input from a variety of senses ...

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The research team focused on the choroid plexus, a small organ within brain ventricles that produces the brain's cerebrospinal fluid (CSF). CSF circulates throughout the brain, carrying signaling ...

A student's humorous take on a biology exam went viral when he labeled the chambers of a heart diagram with names of crushes, sparking amusement online. The unconventional approach, shared on ...

In the first weeks after birth, brain volume is typically about a third of what it will be in adulthood. By age 3, it will have expanded to about 80 percent of adult size. While most of the brain ...

A network of connected cavities within the brain—called the ventricles—produces CSF. CSF helps cushion and nourish the brain.

Head tube: It’s the bike’s neck, holding the front wheel’s brain in place ... of Discerning Cyclist’s limited edition Bicycle Anatomy 101 series.

Astronauts need at least three years between missions for their brains to recover from the effects of microgravity,… The brains of astronauts hanging out in microgravity environments start to ...

The research team focused on the choroid plexus, a small organ within brain ventricles that produces the brain’s cerebrospinal fluid (CSF). CSF circulates throughout the brain, carrying ...