Oxygen is the most abundant element on the Earth’s surface and is critical for chemical reactions that keep the body alive, including the reactions that produce adenosine triphosphate (ATP) (a complex organic chemical that provides energy to drive many processes in living cells). Nearly all of the oxygen found on Earth todayRead More →

most deadliest animals on earth

Which one is the deadliest animal to humans on Earth? The world’s most dangerous animal is not what you might expect. Despite how terrifying and frightening can be, attacks by lions and sharks on humans are quite rare. Actually, on average, lions kill 250 people every year and around 40Read More →