The 2020 World Population Data Sheet indicates that world population is projected to increase from 7.8 billion in 2020 to 9.9 billion by 2050. This level represents an increase of more than 25% from 2020. The current global total fertility rate is 2.3 births per...
Though an alluring idea, the "10 percent myth" is so wrong it is almost laughable, says neurologist Barry Gordon at Johns Hopkins School of Medicine in Baltimore. Although there's no definitive culprit to pin the blame on for starting this legend, the notion has been...
One striking discovery is that humor and laughter appear to be positively associated with immune benefits. Humor in turn can be seen as anti-self-deception. Humor is often directed at drawing attention to the contradictions that deceit and self-deception may be hiding. These are seen as...
Fata Morgana (Italian: [ˈfaːta morˈɡaːna]) is a complex form of superior mirage visible in a narrow band right above the horizon. The term Fata Morgana is an Italian translation of "Morgan the Fairy" (Morgan le Fay of Arthurian legend). These mirages are often seen in...
Why do we repeat ourselves so often? Why do we have compulsions that reappear despite our every effort to suppress them? Why do we have lifelong arguments inside ourselves that hardly change and are never resolved? Why no learning? The details differ from case to...
One of the most striking statements of this theme has come from Kenneth Boulding, an eminent economist and imaginative social thinker. In justifying his view that the present moment represents a crucial turning point in human history, Boulding observes that "as far as many statistical...
It’s been an eventful year for space exploration, with successes including the completion of NASA’s Artemis 1 mission (finally), the inauguration of the James Webb Space Telescope, and the completion of China’s Tiangong space station. 2023 is set to be another busy year. Here are five...
People of the Future The inhabitants of the earth are divided not only by race, nation, religion or ideology, but also, in a sense, by their position in time. Examining the present populations of the globe, we find a tiny group who still live, hunting and...
In the eighteenth century, the Swedish scientist Carl Linnaeus had shown that flowers had sexual organs (pistils and stamens), and indeed had based his classifications on these. But it was almost universally believed that flowers were self-fertilized—why else would each flower contain both male and...
Like all falsifiable scientific theories, relativity makes predictions that can be tested by experiment. In the case of special relativity, these include the principle of relativity, the constancy of the speed of light, and time dilation.The predictions of special relativity have been confirmed in numerous...
