[听力原文]1-5Interviewer: As we all know, more people have been added to the Earth’s population in the 20th century than at any other time in human history. A report shows that "In 1900, just 100 years ago, the world’s human population numbered two billion people. Today, the total...
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It's important to stay active andengagedin activities that we enjoy so that we can continue to lead fulfilling lives. As we get older, our bodies change. We may not be as fast or asstrongas we once were. We may lose some of our hair, get wrinkles, or experience skinconditions. But ...
since rapid population growth can lead to a number of unwanted economic, environmental and public health consequences," said Liu. "Policies that increase access to education and family planning are generally thought to accelerate fertility decline by empowering individuals, particularly...
Moreover, we are expanding our activity to the oceans and space, places that 100 years ago, human beings could only dream of inhabiting. However, a significant problem is whether human beings can physiologically adapt to such a new artificial environment. In other words, the artificial ...
You can see that, in any living cell, DNA helps create enzymes, and enzymes create the chemical reactions that are "life." In the next section, we'll discuss how bacteria reproduce. How Life Works: Asexual Reproduction The human chromosomes hold the DNA of the human genome. Each parent ...
“We’re trying to generate a language that helps bring the human-nature interactions back into our daily lives. And for that to happen, we also need to protect nature so that we can interact with it,” said Peter Kahn, a senior author of the study. ...
INFORMATION is now the most valuable commodity and we can not assign it any value. How much is 1 bit of information worth? This new and extraordinary digital landscape is allowing a gargantuan accumulation of KNOWLEDGE with easy and immediate access to every human being. Considering then this ...
Although the rate of population growth is expected to slow down, there are still parts of the world that are adding new people fast, as you can see on this interactive regional breakdown: Since 1973, Asia hasdoubledits population from 2.3 billion to 4.6 billion people. ...
But before we start sending children on an intergalactic school bus ride, we must figure out new ways to accomplish everyday tasks in space, like growing food. International organizations are devoting time and resources to the development of sustaining human life beyond Earth. Some of the space ...