A vaccine contains dead or inactive cells from a pathogen, giving your immune system time to build antibodies without the risk of those cells multiplying. Then, the next time you encounter that specific pathogen, your body is ready to fight it off before it makes you sick.
Humankind, a Hopeful History
Have you ever wondered if humans are inherently good or evil? Let's take a look at the works of philosphers Jean Jacques Rousseau, and Thomas Hobbes.
Daily knowledge nuggets, free for your noggin. What are you waiting for?
You deserve more than useless Instagram, Facebook, and TikTok feeds. Put those spare minutes to use and learn something new.
Understand the world around you
How does your immune system work? What were the origins of the stock market? Why are there so many wildfires? Learn in 30 seconds or dive deeper through full length lessons.
Timeline of the Universe
The Big Bang, still a mystery, is the most widely accepted theory for how our universe began. In a fraction of a second, a tiny spot expanded to a billion km in diameter. Within ten seconds, Physics as we know it was already at work.