Is it possible to float gold in Mercury?

A woman thinking and using the laptop

When an object is placed in liquid, they exert an upward force on the object. It is known as buoyant force. Archimedes’ Principle states that the buoyancy force of an object; is equal to the weight of the fluid that the object displaces. Now it means that if the object is less … Read more

Why do we Need Iron to Live?

Dr Williams' 'Pink Pills', an iron rich tonic for the blood and nerves to treat anaemia

All biotic or living organisms have specific needs to live, grow, and reproduce. For instance, humans have basic needs to survive, such as a healthy environment, proper nourishment, bodily protection, etc. These physiological needs should be met. It is not a guarantee that we eat three times a day, but it should … Read more