How do they get all that shaving cream into an aerosol can?
Shaving cream is basically soap and water. It is put into a can along with compressed butane gas. Wi...
Question Corner
Why do we shiver when it is cold?
A: Shivering (physical thermogenesis) occurs when the tension of the skeletal muscles rises beyond a...
Why is wax better than water to soothe an injury?
Q: I had a fracture in my ankle about five months back. Under continuous stress, like hanging for an...
Why does water appear white in a waterfall?
Q: Why does water appear white in a waterfall even though it is colourless? A: When all colours are ...
Why are planets formed in a spherical shape?
Q: Why are planets formed in a spherical shape? - Hemant Sardesai A: The short answer is gravity. Th...
How can the sky glow even after sunset?
Q: How can the sky glow even after sunset? - Jaivanthika Karthikeyan The Sun may have set from our p...
Why do rain clouds appear grey?
Q: Why do clouds usually appear white but look grey when they’re going to rain? Vineeth E.K. A: Scat...
How does potassium cyanide cause sudden death?
A: Potassium cyanide when consumed causes death by gradually arresting the supply of oxygen to our b...
Nothing lasts forever. This is good life advice, and it also happens to be an important feature of o...
Are we taller in the morning than when we go to bed?
A1: We are all indeed taller in the morning. There are two components to this. In a growing child, t...
Q: After I take a hot shower and the hot, wet air from the bathroom combines with the cold air from ...
How are blood groups differentiated?
A: Human blood consists of red blood corpuscles as a constituent, which gives it its red colour. On ...
Why do people catch colds and flu more often in the winter?
It is believed that one of the biggest factors for the great increase in colds is the return of stud...
Why do we aim with one eye closed?
A: Not everybody does this, according to a professor of neurobiology and behaviour at Cornell Univer...
Why is it colder at higher altitudes?
A: Measurements reveal that, as we go up into the atmosphere, the air temperature decreases with hei...
Q: Where does dust come from and why does it reappear so soon after we dust? — Ramajayam D. A: Terre...
