Filtration: The water is sent through filters or membranes whose holes will only let through extremely small particles, typically those smaller than 1 micron. Contaminants larger than 1 micron, including many germs and inorganic solids, can't make it through. Distillation: The water is vaporized....
After all, many of us humans like to have one right answer. But Einstein paved the way in 1905 by embracing wave-particle duality. We've already discussed the photoelectric effect, which led Einstein to describe light as a photon. Later that year, however, he added a twist to the story...
If you're a doctor, you may think: “That character would not have survived that fall.” If you're a scientist: “that's not how black holes work.” And if you're me, it's more like: “What a stupid concept of future personal technology!” ...
There might arise a few situations where the beekeeper or exterminator has to cut holes in the building to remove the bees and their honeycombs. For this, they might charge you $100-$700 depending on where the bee nest is located and how many bees have infested that area. Since bees are...
Over the course of many millions of years, the processes of mutation and natural selection have created every species of life that we see in the world today, from the simplest bacteria to humans and everything in between. Billions of years ago, according to the theory of evolution, chemi...
many of which have tried to commit suicide under anesthesia. And I did the world's first keyhole appendix removal in a sick, wild orangutan. I'm Romain Pizzi and I'm a wildlife veterinarian. [Presenter] And Romain has given us unique access ...
The Tortoise and the Hare, an allegory attributed to Greek storyteller Aesop, is one of many stories from the ancient world that have stood the test of time. Its theme is steady progress beats speed when one is pursuing a goal. Another famous story isThe Thousand and One Nights. This is...
Humans cause a lot of damage to our animal neighbors. We destroy their homes, invade their habitats, and often kill their family members when we develop our own housing and infrastructure.💔 While we may not be able to avoid living in an industrialized world, there are many ways we can ...
Rinse and separate their roots, which might have small, rounded parts, and let them dry completely. Then prepare a box with some air holes and peat moss to store the roots. Place the box or container in a cool, dark...
Bonsai pots are typically shallow and always include drainage holes. The pot and tree work together to create the bonsai design, and although a bonsai tree may be planted in many pots during its life, each pot helps create balance and harmony in the overall design. After choosing a specimen...