1 . Bees are extremely important to our health and survival. As pollinators (授粉者), they are responsible for about a third of the food we eat. However, the bee population worldwide are on the decrease.     1    .

Some bee species defend their hives (蜂巢) with large balls of heat

The body temperature of bees is typically similar to their surrounding environment. But within the hive, bees maintain a steady temperature of around 92—93 degrees Fahrenheit year-round. Using their wings, bees can fan hot air out of the hive to cool an area.     2    . When an enemy invades, together they will create a large ball around it to cook the invader alive.

Bees help farmers grow better food and keep food prices down

Bees are highly efficient pollinators. When bees are employed to pollinate, the quantity and quality of the crops improve surprisingly. As the climate continues to change, many animals will move to more favorable habitats.     3    . With the reducing numbers of bees, the cost of over 130 fruit and vegetable plants that we rely on for food in is going up in price.

Policemen find murderers by studying bees

    4    . Similarly, criminals avoid committing crimes close to where they live, Police can make reasonable guesses about where a suspect might live or visit regularly.

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Bees are able to pick out individual characteristics on human faces and recognize them. This ability not only helps these highly social creatures recognize each other, but it also helps them recognize and return to flowers they like best.