Archaeologists found flint, iron pyrite to strike it and sediments where a fire was probably built several times at an ...

Finding that vampire bats along Peru’s coast carried H5N1 antibodies raises concerns that multiple bat species could become ...

A compilation of 100 examples of biological tilings shows how repeated natural motifs enhance strength, flexibility and other key functions.

A peer-reviewed paper about Chinese startup DeepSeek's models explains their training approach but not how they work through ...

The late-summer bloom of heather in the Wicklow Mountains of Ireland coats the range in lovely purple flowers. Beekeepers ...

Irritability is a normal response to frustrations, but it can sometimes signal an underlying mental health disorder, like ...

Tantalizing results from small trials and anecdotes raised hopes that drugs like Ozempic could help. Despite setbacks, ...

Lamniform sharks such as great whites and tiger sharks are famous for their size. The first such giants evolved 15 million ...

Stalagmite data suggest Homo floresiensis faced prolonged drought that stressed both them and their prey, contributing to ...

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A reshaped vaccine committee voted to scale back newborn hepatitis B shots despite decades of data showing the birth dose is safe, effective and vital.

A closeup look at colibactin’s structure reveals chemical motifs that guide its mutation-wreaking “warheads” to specific stretches of DNA.