What is the universe made of?

Have you ever found yourself asking the 'big' questions of science? Are there answers to many of the toughest ones out there?

• What is the universe made of?
• Why do humans have so few genes?
• Are we alone in the universe?
• How and where did life on Earth arise?

Science magazine is tackling these and more in their latest issue. They attempt to answer the top 25 questions currently outstanding in science as a way of celebrating their 125th anniversary. It makes for absolutely fascinating reading and so I encourage you to check it out.