Browsing: Science

The researchers modeled nearly one million driving scenarios at US intersections. Aerial Photo Archive / Alamy Stock Photo You may have the habit of accelerating when approaching an intersection and then slamming on the brakes at red lights. This common habit can result in significant amounts of carbon dioxide emissions each year. But if modern

Dorling Kindersley: William Leavell/Alamy When it comes to birthday cakes, I’m used to making sweet, icing-filled creations in the shape of Disney characters, and I’m unfazed…

atmosphere: The outer layer of gas that surrounds Earth or another planet or moon. atom: The basic unit of a chemical element. An atom consists of…

Fragments of mitochondrial DNA can be added to the cell's main genomewir0man/Getty Images Mutations in which DNA from energy-producing mitochondria is mistakenly added to a cell's…