Is there a direction for evolution? Is it a reciprocating circle, or a straight line that never looks back? It is difficult to have a…
In our impression, the flowers seem to be “weak and windy.” As long as the flower stem is gently shaken, or a small wind blows,…
Can warm-changing animals have a fever? No one likes fever. Fever often makes people feel weak and dizzy. Although fever is painful, it is a…
Coincidence refers to events that are difficult to predict and are often associated with “supernatural” explanations by some people. Coincidence may be random or caused…
The seven essential nutrients for the human body are protein, carbohydrates, fat, dietary fiber, vitamins, minerals and water, of which 50% of the total fat…
Einstein refreshed the concept of time and space. The extremely strange and magnificent universe predicted by his theory challenged the limits of human imagination. The…
Everything is full of symbolism, when Rashford stood in front of the penalty kick. Obviously, Rashford was a little nervous. He kept observing the position…
One early morning in September, in the lobby of a hotel in central Berlin where I was staying, I greeted the front desk staff in…
Australia caused a super-spread incident-a 27-year-old man committed suicide recently. 45 of his 50 relatives and friends who attended his memorial ceremony were diagnosed. Infected…