It is normal for a virus to mutate or evolve over time. If many people are susceptible to infection, only the variants with better transmission ability will dominate. …

Cycling is becoming popular as more and more people start to reduce their CO2 emissions. If you want to learn how to ride a bicycle, I can help you learn on your own in one day. First, you need a bicycle and a spacious place to practice safely. …

IBM’s Deep Blue computer beat world chess champion Garry Kasparov in 1997. Google’s AlphaGo software, which plays the board game Go, beat the world’s best players, Lee Sedol in 2016 and Ke Jie in 2017. …

“It is 100% certain we will be hit by a devastating asteroid, but we are not 100% sure when,” the B612 Foundation reported in 2018. Asteroids are minor planets in the inner solar system. They vary widely in size and shape, from a meter-sized rock to a dwarf planet nearly…

The worrying. 😟 They read and share all kinds of information about environmental degradation. It seems certain that global warming will go from bad to worse until the end of a mass extinction unless we start to have a positive impact on the environment as a whole. …

We need logical thinking with imagination, because imagination helps to form something new in the mind while logical thinking helps to distinguish an effective solution from impractical ones. Without imagination, you will probably get stuck on new questions. Without logic, on the other hand, you are likely to get lost…

Inaction is an indisposition that can be cured by calls to action. Inability is a serious illness that will be fatal without proper treatment. Inaction becomes a symptom of inability when calls to action don’t work. Take inequality and injustice for example. These ancient problems have existed for thousands of…

Since it’s better to cure a disease than to treat the symptoms, we have to ask ourselves seriously what has caused all the global crises such as climate change, military conflicts, racial prejudice, gender inequality, et cetera. Capitalism is not the answer to the question, because inequalities and wars existed…

My solution is not to silence any wrong voice but to provide different opinions with it, because it is always a terrible idea to restrict freedom of speech. Since facts and truths are different from disinformation, I suggest adding different voices to public information. For example, someone posted a story…