Facts

 

·         Apples, not caffeine, are more efficient at waking you up in the morning.

·         When you sleep, you can’t smell anything.

·         Crows can recognize human faces and remember them for their entire lives.

·         You can hear a blue whale's heartbeat from over 2 miles away.

·         When blue whales dive for food they can reduce their heart rates to as low as 2 beats per minute.

·         A blind chameleon can still adjust to the colors of its environment. The way it changes colors is because of its special cells, not eyesight.