1 . Unusually bright light in the sky that appeared suddenly last June has got astronomers in great excitement. After months of study, they still aren’t sure what the object — universally referred to as the “Cow” — is. Whatever it is, says astronomer Liliana Rivera Sandoval of Texas Tech University in Lubbock, “It’s super strange and we are obsessed with its study.”

The Cow first appeared in telescope observations on 16 June 2018, in what turned out to be a small galaxy about 200 million light years away. “When we saw that we thought, let’s get on this,” says Daniel Perley, an astronomer at Liverpool John Moores University.

2 . Every day since early July, Tiffany Wong has been painting a small watercolor of one woman and then sharing the painting on the Internet, providing background information about each woman. Wong started the project to give more people a chance to learn about the different roles of famous women in history. “We don’t really get to learn about them in our school as much,” Wong said. “I wanted to make the women’s history more available for people so that they wouldn’t have to do the research and they wouldn’t forget their achievements. ”

3 . Challenging work that requires lots of analytical thinking, planning and other managerial skills might help your brain stay sharp as you age, a study published Wednesday in the journal Neurology suggests.

4 . We are repeatedly willing to imagine we have found most of what is left to discover. We used to think that insects were the smallest organisms (生物), and that nothing lived deeper than six hundred meters. Yet. when something new turns up, more often than not, we do not even know its name.

5 . Today’s world is not an easy adjustment for young adults. A key skill set for success is persistence(毅力) characteristic that researchers say is heavily influenced by fathers. Researchers from Brigham Young University discovered that fathers are in a unique position to help their adolescent children learn persistence.

6 . After years of observing human nature, I have decided that two qualities make the difference between men of great achievement and men of average performance curiosity and discontent. I have never known an outstanding man who lacked either. And I have never known an average man who had both. The two belong together.

7 . How to Use a Modern Public Library

Has it been a while since your last visit to a public library? If so, you may be surprised to learn that libraries have changed for the better. It's been years since they were dusty little rooms with books. They have transformed themselves into places where you can develop your love of knowledge, meet interesting people, or find out how to start a business.

8 . Jennifer Mauer has needed more willpower than the typical college student to pursue her goal of earning a nursing degree. That willpower bore fruit when Jennifer graduated from University of Wisconsin-Eau Claire and became the first in her large family to earn a bachelor’s degree.

9 . With the young unable to afford to leave home and the old at risk of isolation (孤独), more families are choosing to live together.

10 . Some parents will buy any high-tech toy if they think it will help their child, but researchers said puzzles help children with math-related skills.

The findings were published in the journal Developmental Science.