Vsauce is a good content creator who talks about the universe, biology, astronomy, chemistry, physics, history, game theory and many other subjects. His cheerful, yet curious demeanor along with his humor makes him a great person to watch.
Mark Rober is a former NASA scientist who has a master's degree in mechanical engineering at USC. He made the Curiosity Rover and also, he started a Youtube channel to encourage science through interesting and exciting projects like NFL kicking robots, rocket-powered golf clubs, huge Nerf guns,and obstacles courses for squirrels. His approach to science is simplicity and comprehension of the topics he covers. Highly entertaining
Steven Mould covers many science topics and he works on figuring out the mechanisms of objects, such as toilets, assassin's teapots, maze-solving water, perpetual motion machines, self-healing materials, and other fancy gadgets. By going behind the mechanisms and explaining them, one can learn about how the objects around us function and he is entertaining to watch.
Derek Muller covers many topics such as history, chemistry, physics, astronomy, math, and other intriguing topics. He comes across phenomenons or miracles and he explains them in detail. Derek is a pro at depicting history and explaining what happened back then and what are the effects today. He clarifies or makes clear misconception and spreads the truth about science that people didn't understand.
This channel focuses on astronomy, biology, and the environment. Through animation, they tell a story of shining stars, monstrous black holes, tiny microbes, and dying cells. Sometimes, they cover hypothetical scenarios with physics and math and explain future concepts and what humanity can look forward to in the future.