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.

For the Northern Hemisphere, the official summer season starts on June 20 or 21, depending on where you live, with the arrival of the summer solstice. So what is a solstice, exactly? It's the ...

(Since the right eye connects to the left brain, the left hand to the right brain, and so on throughout the body, the stimulus would be given to the side of the body opposite the brain hemisphere ...

This issue is preventing our website from loading properly. Please review the following troubleshooting tips or contact us at [email protected]. Your guide to the most important world stories of ...

Add videos to your saved list and come back to them any time.

Summers have been getting hotter and drier around the world, including in the Northern Hemisphere, leading to intense droughts and heat waves in North America and Europe and posing serious risks ...

22, at 8:44 a.m. Eastern daylight time (5:44 a.m. Pacific daylight time) autumn begins astronomically in the Northern Hemisphere, and spring in the Southern. At that moment, the sun would be ...

The Earth’s tilt is the reason for the changing seasons. The top half of the Earth we call the northern hemisphere, and the bottom half we call the southern hemisphere. At this point in the ...