Dr Mark Burhenne warns that some toothpaste ingredients, especially in ‘natural’ brands, can worsen cavities and harm oral health. Here's what you should do.

North American bats have an estimated economic value of $23 billion annually due to their natural role as insect pest regulators. These bats have faced a significant decline due to white-nose syndrome ...

Remarkably, wood frogs in frigid northern regions survive winter by freezing solid for months. Their bodies halt all vital functions, including heartbeat and brain activity. A surge of glucose acts as ...