Flies can jump backwards during takeoffs. Researchers found out using a high-speed video camera that the fruitfly anticipates the direction of the threat and shuffles its legs to a takeoff position in a matter of a few milliseconds, a manoeuvre that helps them fly away from the threat.
Our skin is made of many layers of cells. The outer layer is flaky and the inner layers have structure giving and nourishing elements. The outer skin gets dry or damaged with time and so it gets shed. An average person sheds about 30,000 cells every minute and about 18 kilograms of skin in his…
Butterflies are delicate creatures and they are affected by climate change. A large population of butterflies indicates a healthy ecosystem and a dearth of butterflies indicates that the ecosystem is under stress. Butterflies are unable to fly if their body temperatures drop below 30 degrees Celcius.
Until recently, criminals in the US were executed using an electric chair. Nowadays a different form of execution by lethal injection is practised. Before the electric chair, the condemned criminals were hanged. However, a dentist Dr Alfred P. Southwick happened to witness a drunken man getting electrocuted and dying instantly when he touched a live…
An average hurricane bringing in 1.5 cm per day of rain, with a circle radius of 665 km, generates a huge amount of energy (6.0 × 1014 Watts or 5.2 × 1019 Joules/ day), which is equivalent of 200 times the electricity-generating capacity of the entire planet in a year. This is equivalent to detonating…
Alexander Graham Bell was a Scottish-born American inventor famous for the invention of the telephone. He died on August 2, 1922. On the day that Alexander Graham Bell was buried, millions of phones in America and Canada went dead for one minute as a mark of respect for the inventor.
