They may seem pretty harmless, but those little blue dots on motorcycle taillights could get you in trouble with law enforcement. Here's why.

Blue Dot, named after Carl Sagan's famous speech about our place in the universe, features interviews with guests from all over the regional, national and worldwide scientific communities.

Like other NYT games, upon solving the puzzle, you will see a shareable card that indicates how you performed that day: blue dots indicate theme words you found, the yellow dot indicates ...