1. There are lots of very cool, very easy experiments you can do to learn more about your ears. Here are a few of our favorites.
- It's official: Democratic delegates picked Hillary Clinton as the first female presidential nominee of a major US party 🙋
- ISIS has claimed responsibility for a church attack that killed a priest in northern France on Tuesday.
- 🍎📉: Apple's business is declining due to slowing iPhone sales, but the company is still making a ton of money.