英语科普大全

Throughout evolution, living things have repeatedly developed physically distinct sexes, but how does this actually happen? A discovery in the multice...

The Earth has experienced many dramatic changes in climate since the dinosaurs went extinct 66 million years ago. One of the warmest periods was the e...

Babies' growth in the womb and their size at birth, especially their length, are strikingly similar the world over -- when babies are born to heal...

A new UBC Sauder School of Business study shows that teenagers who work at summer or evening jobs gain a competitive advantage later in life. Developi...

Every year, wildfires clear millions of hectares of land and emit around 34-percent of global soot（煤烟，烟灰） mass into the atmosphere. In certain regions...

Want to be more productive and happier during the workday? Try taking a short break to text a friend, play "Angry Birds" or check Facebook o...

The way rats use their whiskers（胡须，腮须） is more similar to how humans use their hands and fingers than previously thought, new research from the Univer...

Scientists have identified the fossilized remains of an extinct giant bird that could be the biggest flying bird ever found. With an estimated 20-24-f...

Hi, everybody. This week, I spent a couple days in Minneapolis, talking with people about their lives-their concerns, their successes, and their hopes...

For hibernating mammals, the pre-winter months are a race against time to accumulate enough energy reserves to last until spring. Offspring born late ...