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LifeHow these strange cells may explain the origin of complex life
The tiny pantheon known as the Asgard archaea bear traits that hint at how plants, animals and fungi emerged on Earth.
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AnimalsBats might be the next bird flu wild card
Finding that vampire bats along Peru’s coast carried H5N1 antibodies raises concerns that multiple bat species could become reservoirs for the virus.
By Jane Qiu -
ArchaeologyNeandertals mastered fire-making tools 400,000 years ago
Archaeologists found flint, iron pyrite to strike it and sediments where a fire was probably built several times at an ancient site in England.
By Jay Bennett -
LifeFrom viruses to elephants, nature thrives on tiled patterns
A compilation of 100 examples of biological tilings shows how repeated natural motifs enhance strength, flexibility and other key functions.