MATSUMOTO, Nagano Prefecture--The Shusui, a rocket-powered interceptor aircraft developed to help reverse Japan's waning fortunes late in World War II, is one of those projects about which little ...

It can be a treacherous thing, hunting this particular butterfly. illustration of Papilio blumei: monica serrano, NGM Staff The peacock swallowtail, Papilio blumei, lives only here, on the ...

If you take a walk around San Francisco, it won’t take long before you see a koi fish. Not a real one, of course, although the bright orange-and-white graffiti art has the fluidity of a real fish ...

A wildlife charity has declared a national “butterfly emergency” after its annual Big Butterfly Count recorded its lowest ever numbers. The count has been running for 14 years. This year’s ...

Butterfly and moth wings can be stunningly beautiful. More importantly, some have colourful and elaborate patterns that serve as a defence against hungry predators. There are many butterfly and moth ...

A modified butterfly spread is an options strategy that adjusts a standard butterfly's strike prices or contract ratios to achieve a specific market outlook. Also called the 1-3-2 butterfly spread ...

Butterfly valves are quarter-turn rotary motion valves used as throttling valves to control flow through a system. They can be used with many different media. Butterfly valves offer several advantages ...

Official Description: "This rare butterfly lives in volcanic regions. Its body contains a heat-resistant liquid which can be turned into a topical elixir that offers resistance to flames." ...

Official Description: "The powdery scales of this butterfly's wings cool the air near it. Watching it flutter around snowflakes is a thing of beauty. Cook it with monster parts for a heat ...

Welcome to the kaleidoscopic world of the butterfly wing. How do butterflies and moths (known collectively as Lepidoptera) make use of their vibrant wing patterns? Why are some species experts in ...

You can colour the buttercream at this stage. To make butterfly cakes, cut the top off each cake using a small serrated knife – angling the knife in slightly so that you make a concave cut.