More than 20,000 votes cast in Butterfly Conservation’s poll of 60 native species to find nation’s favourite for first time The votes are in on Britain’s favourite butterfly, and it is one of the most ...

There’s a reason that baggage claim is often a sea of dark-colored luggage swarming conveyor belts. Most people tend to buy black or navy suitcases, says Phil Dengler, co-founder of the travel site ...

We know that whatever printer we purchase from the market, it prints in black & white or color. Color ink cartridge normally has cyan, yellow, and magenta inks. It uses these inks to mix the user’s ...

This story appears in the August 2018 issue of National Geographic magazine. A goliath birdwing hatches in the kitchen of a tourist house in West Papua, Indonesia. Hatchlings are killed young, to ...

Gleaming in the air, the iridescent blue morpho protects itself from predators using the power of light. Native to the rainforests of Mexico, Central America and South America, this bright blue ...

Abstract: Intelligent reflecting surface (IRS) is an enabling technology to engineer the radio signal propagation in wireless networks. By smartly tuning the signal reflection via a large number of ...

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