Many Chinese workers relied on it for their livelihood last century. But their businesses was going up in flame. Because industrial indigo was successfully developed overseas. It is much cheaper than hand-made indigo. Soonly, Chinese workers lost their markets. At that time, they were also war-torn...

My childhood memory is full of Hong Kong films. But now no people watch new Hong Kong films. Why people don't like Hong Kong films any more? Through my research and data I found, there are three reasons...

The project is about the process of cleaning wastewater and the dangers of ocean outfalls, which means treated water pumping into the sea. One obvious impact is the decrease in the numbers and the size of bonefish.

The mean age of first-time mothers in 2017, which is 28.65, 4 years older than 24.65 in 2000. Why more women prefer to pregnant in early 30s? Is any relationships between education level and the age of first-time mothers in the United States?

At nearly $1.4 trillion in loans outstanding, student debt is the secondlargest source of household debt(after housing). 27% of borrowers with less than $10,000 of outstanding debt, and 20% of those with between $10,000 and $25,000 of debt, and behind on their payments.

Global foreign direct investment (FDI) ows fell by 23 percent in 2017, to $1.43 trillion from $1.87 trillion in 2016. In this case, developing countries, and the least developed countries in particular, face considerable challenges. For example, challenges are particularly pronounced in Africa...