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When a knot lets go, it doesn't just fall apart. It snaps. That simple observation led Penn Engineers to rethink what a knot can do. Instead of treating it as something that holds tension, they asked a different question: ...

Every year a small songbird, no heavier than a letter, crosses the Sahara Desert, the Mediterranean and the Arabian Desert on its migration. New research from Lund University in Sweden now reveals how the tiny bird manages ...

Researchers have developed a new methodology that uses artificial intelligence tools to identify and count target viruses more efficiently than previous techniques. The new approach can be used in applications such as pharmaceutical ...

Aedes aegypti, commonly known as the yellow fever mosquito, is a highly adapted, invasive mosquito species recognized as a major global health threat that acts as the primary vector for several severe diseases, most notably ...

Nature is a riot of color. In the animal kingdom, many species, from insects to cephalopods, use their permanent color or change it for communication, camouflage, and thermoregulation. While this type of reversible shift ...

Cocoa cultivation in so-called agroforestry systems is widespread in the Peruvian Amazon rainforest. There, cocoa plants grow alongside other trees in the same area. The problem is that leaf cutter ants also like to build ...

NASA's Curiosity rover has identified seven new organic compounds on the planet Mars, according to new research published in Nature Communications.

Every year, the countries competing in the International Mathematical Olympiad arrive with a booklet of their best, most original problems. Those booklets get shared among delegations, then quietly disappear. No one had ever ...

A combination blood stem cell and pancreatic islet cell transplant from an immunologically mismatched donor completely prevented or cured type 1 diabetes in mice in a study by Stanford Medicine researchers. Type 1 diabetes ...

NASA's Curiosity Mars rover has uncovered a diverse mix of organic molecules on Mars, including chemicals widely considered building blocks for the origin of life on Earth.

Marburg virus disease (MVD) is a severe and often fatal hemorrhagic disease in humans caused by the Marburg virus. It is carried by Egyptian fruit bats and can spread to people after exposure in caves or mines where they ...

We've run the numbers and the verdict is in: Honeybees do have the ability to process numerical information. New research led by Monash University has now addressed recent international debate over whether bees are truly ...