Ancient DNA reveals China’s first ‘pet’ cat wasn’t the house cat

The modern house cat reached China in the 8th century. Before that, another cat — the leopard cat — hunted the rodents in ancient Chinese settlements.The modern house cat reached China in the 8th century. Before that, another cat — the leopard cat — hunted the rodents in ancient Chinese settlements.  

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Source: Science News

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A look under the hood of DeepSeek’s AI models doesn’t provide all the answers

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

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Source: Science News

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

A volcanic eruption might have helped bring the Black Plague to Europe

A volcanic eruption may have triggered a deadly chain of events that brought the Black Plague to Europe in the 14th century.A volcanic eruption may have triggered a deadly chain of events that brought the Black Plague to Europe in the 14th century.  

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Source: Science News

A volcanic eruption may have triggered a deadly chain of events that brought the Black Plague to Europe in the 14th century.

Ancient southern Africans took genetic evolution in a new direction

An ancient, shared set of human-specific genes underwent changes in a geographically isolated population after around 300,000 years ago, scientists say.An ancient, shared set of human-specific genes underwent changes in a geographically isolated population after around 300,000 years ago, scientists say.  

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Source: Science News

An ancient, shared set of human-specific genes underwent changes in a geographically isolated population after around 300,000 years ago, scientists say.

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

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Source: Science News

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

Huge relatives of white sharks lived earlier than thought

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

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Source: Science News

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

Self-hypnosis with cooling mental imagery could ease hot flashes

Postmenopausal women who listened to self-guided hypnosis recordings daily for six weeks saw meaningful improvements in hot flash symptoms.Postmenopausal women who listened to self-guided hypnosis recordings daily for six weeks saw meaningful improvements in hot flash symptoms.  

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Source: Science News

Postmenopausal women who listened to self-guided hypnosis recordings daily for six weeks saw meaningful improvements in hot flash symptoms.

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