If Birds Can Perch, Why Can't Drones?

The thymus is a small organ in the center of your chest that's responsible for getting your immune system's T cells ready to protect you from germs. Learn what we know and don't know about how the thymus works (and about some of the autoimmune conditions that can emerge when it d ...  عرض المزيد

Venus is the hottest planet, its years are shorter than its days, and its atmospheric pressure is 92 times greater than that on Earth. Learn how researchers think Venus got this way in today’s classic episode of BrainStuff, based on this article: https://science.howstuffworks.com ...  عرض المزيد

S2 Ep 27. The amazing agility of a dragonfly leads to the creation of a new spy drone. Their four wings can move independently of each other, enabling them to fly forwards, backwards, sideways, up and down and suddenly stop and hover like a helicopter. This caught the attention o ...  عرض المزيد

What if you could design a spy plane that could be flown remotely and hover in the sky for hours, providing reconnaissance for troops on the ground? In the early 1980s, the visionary inventor Abe Karem begins building drones out of his L.A. garage. Soon, the Pentagon and the CIA ...  عرض المزيد

What if you could design a spy plane that could be flown remotely and hover in the sky for hours, providing reconnaissance for troops on the ground? In the early 1980s, the visionary inventor Abe Karem begins building drones out of his L.A. garage. Soon, the Pentagon and the CIA ...  عرض المزيد