2015-06-07 Can Forests Help Feed the World?
Experts predict nine billion people will live on our planet by 2050. They say by that time demand for food…
一个让你免费在线学习VOA英语的好地方! 无须报名, 不收学费, 全年无休, 保证提高! (^_^)
Experts predict nine billion people will live on our planet by 2050. They say by that time demand for food…
The dry conditions in California are good for people who like to swim in the Pacific Ocean. Because of the…
Scientists say sea levels are rising and will continue to do so into the future. Coastal communities around the world…
An old Internet scam is getting some new attention lately. It is called “ransomware.” Ransomware is a term used for…
Architects, engineers and building supervisors will soon be able to quickly collect information that once took weeks to measure and…
This summer, the latest version of Google’s self-driving car will make its first appearance on public roads. The two-seat vehicle…
Amazon.com has received patent rights to send its products to customers by unmanned drone aircraft. The company is the largest…
Experts say that sun and wind are the richest sources of clean, renewable energy. But ocean waves also create powerful,…
Meningitis is spreading across West Africa. The brain disease is a threat every year across 21 African countries. Health officials…
The head of the National Aeronautics and Space Administration, or NASA, said that the space agency is on track to…
Having an automobile can be costly. In addition to paying for fuel, the owner of a car should set aside…
Consumers around the world benefit from large food stores and large-scale food production. They can buy many fruits and vegetables…
When computer servers operate a complex program, they can get very hot. Cooling the servers can be costly. So researchers…
You may have heard about a process called 3-D printing. It is where a machine creates a three-dimensional object —…
Since 2009, earthquake activity has greatly increased in the central and eastern United States. A new report from U.S. earthquake…