Depending on a type of tree and its age bark is rough or smooth. Boys were interested in running their fingers over tree’s trunk to feel the texture of its bark. So we made a portfolio of bark rubbings to take our discoveries home.

The video discusses experiments that investigate how the emission and absorption of infrared radiation depend on the nature of the surface. The experiments involve using copper beakers with different painted surfaces and measuring the...

NASA's Parker Solar Probe mission has returned unprecedented data from near the Sun, culminating in new discoveries published on Dec. 4, 2019, in the journal Nature. Among the findings are new...

We breathe a lot, roughly 12 to 16 times a minute for adults and even more for children! Have you ever wondered how the process of breathing works so smoothly? Our lungs allow us to inhale the oxygen our body needs, but they do much,...