ScienceMind-BlowingEach day is getting slightly longer due to the Moon's gravitational pull on Earth's oceans. Tidal friction slows Earth's rotation by about 2.3 milliseconds per century - meaning days are lengthening by roughly one second every 50,000 years.1363k
BodyMind-BlowingAn average heart beats 100,000 times a day, pumping some 2,000 gallons of blood through its chambers. Over a 70-year life span, that adds up to more than 2.5 billion heartbeats.1006k
BodyInterestingThe average person can only survive about three days without water, though this varies based on temperature, humidity, and physical activity levels.34778
BodyMind-BlowingYour body replaces about 3.8 million cells every second, totaling roughly 330 billion cells per day.301k