内容摘要：during the early Iron Age, around 3,000 years ago. Ancient cemeteries uncovered in Ashkelon

during the early Iron Age, around 3,000 years ago. Ancient cemeteries uncovered in Ashkelon

The drummings are likely “a very important way to make contact,” she said.In this photo provided by researchers, a wild adult male chimpanzee makes a pant-hoot call while rocking and stomping on a tree as part of a dominance display in the Budongo Forest of Uganda in Februay 2019. (Adrian Soldati via AP)

In this photo provided by researchers, a wild adult male chimpanzee makes a pant-hoot call while rocking and stomping on a tree as part of a dominance display in the Budongo Forest of Uganda in Februay 2019. (Adrian Soldati via AP)At closer distances, chimps use a repertoire of vocal calls more complex than scientists once thought, according to a separate study inResearchers analyzed how chimps combined sounds — such as a call associated with resting and one used to invite play — to create new meanings. In this example, the combined call was an invitation to nest together nearby at night.

“We have probably underestimated the flexibility and complexity of animal communication,” said Crockford, who was part of both research teams.The Associated Press Health and Science Department receives support from the Howard Hughes Medical Institute’s Science and Educational Media Group and the Robert Wood Johnson Foundation. The AP is solely responsible for all content.

Halley’s comet swings near Earth every 75 years. But debris left by the comet leads to two major meteor showers every year including the

When this meteor shower lights up the night sky, “you’ll know that Earth is crossing the path of the mostA man looks out from a container restaurant near an art sculpture depicting a sleeping Chinese astronaut in the Songzhuang art district in eastern Beijing, Oct. 29, 2024. (AP Photo/Andy Wong)

Part of 2500 panda sculptures are displayed at the Hong Kong International Airport during a welcome ceremony of the panda-themed exhibition “Panda Go!” in Hong Kong, Dec. 2, 2024. (AP Photo/Chan Long Hei)Part of 2500 panda sculptures are displayed at the Hong Kong International Airport during a welcome ceremony of the panda-themed exhibition “Panda Go!” in Hong Kong, Dec. 2, 2024. (AP Photo/Chan Long Hei)

A man wades through flood water following heavy downpours in Medan, North Sumatra, Indonesia, Nov. 27, 2024. (AP Photo/Binsar Bakkara)A man wades through flood water following heavy downpours in Medan, North Sumatra, Indonesia, Nov. 27, 2024. (AP Photo/Binsar Bakkara)