Today there is a growing awareness that mental well-being needs to be given as much attention as physical health. More and more people are suffering from various psychological problems, which have led to many serious consequences and ...
人类在地球上所见过的最大能量的 One of the most energetic events that human beings 事件之一就是有史以来 have ever been witness to on Earth 爆hearts;炸hearts;力最大的原hearts;子hearts;弹hearts; is the biggest atomic bomb ever exploded. 而据我们所知,类星体每秒释放的能量 Were aware of quasar...
Since then, many spacecraft have delivered parts of the ISS into orbit and its assembly has progressed. During this time, the ISS has been manned continuously — as of this writing, 66 astronaut expeditions have successfully reached the station. Expedition 67 began upon the departure of Soyuz ...
Overpayments have existed for decades and caused people a lot of financial pain. But fixing the problem has never been a high priority on Capitol Hill. In 2015, Congress did approve a measure to reduce overpayments by giving Social Security more timely access to p...
Is it a single color or many colors mixed together? Does it have a frequency like sound? And what are some of the common properties of light, such as absorption, reflection, refraction and diffraction? You might think scientists know all the answers, but light continues to surprise them. ...
Why is it that we human beings fluctuate in our alertness from one day to the next? Why do we wake one morning feeling alert, yet another morning, flounder in that level of alertness upon awakening? The first set of analyses revealed that three key factors significantly and each independently...
And that was just the first spacecraft of many to orbit, flyby and even land on the Martian surface. So what have scientists learned about Mars from the data gleaned from these missions? And when might the machines on Mars get human company? Will humans ever set foot on the Red Planet...
Evolution is fascinating because it attempts to answer one of the most basic human questions: Where did life, and human beings, come from? The theory of evolution proposes that life and humans arose through a natural process. A very large number of people do not believe this, which is somet...
Survivorship bias applies toinvestment strategiesas well. Many tactics that have worked in the past are touted as surefire methods for future success without considering the many similar strategies that may have failed. For example, when evaluating the long-term returns of a group ofmutual funds, ...
The Internet and the advent of social media have greatly increased the number of viral messages in the form of memes, shares, likes, and forwards. Some marketing campaigns try to trigger virality; however, many times, just exactly what goes viral remains a mystery. ...