Take a look at the essential concepts, terms, quotes, or phenomena every day and brush up your knowledge. Here’s your knowledge nugget for today. National Science Day is celebrated every year on ...

A BABY BORN on the same day as the Indian republic—January 26th 1950, when the constitution went into effect—probably would not have lived to see the 75th-anniversary celebrations last month.

More than half a billion years ago on a frigid, ice-covered Earth, glaciers stirred up ingredients for complex life by bulldozing land minerals and then depositing them in the ocean, according to ...