But if parents regularly talk about science and incorporate it into play, they can help build their child’s logical thinking, ...

For decades, parents were told to help children build willpower like a muscle, to resist things like junk food and too much time on their screens. But new research suggests a better strategy.

Seventeen-year-old Vishnu Kannan’s love for math and problem solving led him to become the founder of a tech startup, which he recently sold for $2 million in stocks.