AP Science

Biologists in slow and steady race to help North …

Herpetologist Harry Greene, left, hands a Bolson tortoise named Gertie to US Fish and Wildlife Service Director Martha Williams before more tortoises are released on Armendariz Ranch in Engel, New Mexico, on Friday, Sept. 22, 2023. (AP Photo/Susan Montoya Bryan)

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Historians race to find Great Lakes shipwrecks before …

Quagga mussels carpet the bell of the wreck of the schooner Trinidad on the bottom of Lake Michigan in July 2023. Archaeologists are racing to locate Great Lakes shipwrecks before quagga mussels disintegrate them. ( Tamara Thomsen via AP)

Workers uncover eight mummies and pre-Inca objects while …

Archaeologists uncover vessels and bones discovered by city workers who were digging a natural gas line for the company Calidda in the district of Carabayllo on the outskirts of Lima, Peru, Friday, Sept. 22, 2023. Eight burial offerings from the pre-Inca Ychsma culture have been identified by archeologists so far, according to lead archeologist Jesus Bahamonde. (AP Photo/Martin Mejia)

The fall equinox is here. What does that mean?

FILE - The sun sets beyond the downtown skyline of Kansas City, Mo., as the autumnal equinox marks the first day of fall Sunday, Sept. 22, 2013. During the equinox, the Earth’s axis and its orbit line up so that both hemispheres get an equal amount of sunlight. (AP Photo/Charlie Riedel, File)

Ancient ‘power’ palazzo on Rome’s Palatine Hill reopens …

A visitor admires archeological finds inside the newly restored domus Tiberiana, one of the main imperial palaces, during the press preview on Rome's Palatine Hill, in Rome, Italy, Wednesday, Sept. 20, 2023. The Domus Tiberiana will reopen to the public on Sept. 21. (AP Photo/Gregorio Borgia)

Governments and individuals debate: Are mandates needed …

A beach club destroyed by Superstorm Sandy on the sea wall on Nov. 15, 2022, in Sea Bright, N.J. New Jersey, like places around the world, is setting ambitious goals to deal with climate change, but it wrestling with how much to actually require of businesses and individuals to fulfill those goals. (AP Photo/Wayne Parry)

This simple log structure may be the oldest example of …

This photo provided by researchers shows Kalambo Falls in Zambia in 2019. A pair of crossed logs found on a riverbed nearby may be the oldest evidence of early humans building with wood, nearly half a million years old, according to a study published Wednesday, Sept. 19, 2023 in the journal Nature. (Geoff Duller/Aberystwyth University via AP)

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Sponsor an ocean? Tiny island nation of Niue has …

A person sits on a rock face overlooking the ocean in Niue in this 2018 photo. The tiny Pacific island nation of Niue has come up with a novel plan to protect its vast and pristine territorial waters — it will get sponsors to pay. Under the plan, which was being launched by Niue's Prime Minister Dalton Tagelagi on Tuesday Sept. 19, 2023 in New York, individuals or companies can pay $148 to protect 1 square kilometer (about 250 acres) of ocean from threats such as illegal fishing and plastic waste for a period of 20 years. (Richard Sidey/Galaxiid via AP)

Hundreds of flying taxis to be made in Ohio, home …

In this 2022 photo provided by Joby Aviation is Joby’s pre-production prototype aircraft at the company’s flight test facility in Marina, Calif. The same Ohio river valley where the Wright brothers pioneered human flight will soon manufacture cutting-edge electric vertical takeoff and landing aircraft. An agreement announced Monday, Sept. 18, 2023, between the state and Joby Aviation Inc. will bring air taxi production to a 140-acre site at Dayton International Airport by 2025. (Eric Adams/Joby Aviation via AP)

Climate change could bring more storms like Hurricane …

In this satellite image provided by the National Oceanographic and Atmospheric Administration via NASA, Hurricane Lee continues its slow west-northwest trajectory across the Atlantic Ocean on Tuesday, Sept. 12, 2023. (NOAA/NASA via AP)

After attacks, British prime minister says American …

FILE - Britain's Prime Minister Rishi Sunak leaves 10 Downing Street to go to the House of Commons for his weekly Prime Minister's Questions in London, Wednesday, Sept. 6, 2023. Sunak has described American XL Bully dogs as a “danger to our communities” and announced plans to ban them following a public outcry after a series of recent attacks. (AP Photo/Kin Cheung, File)

NASA says more science and less stigma are needed …

Special mosquitoes are being bred to fight dengue. …

Martha Ocampo drops a capsule of mosquito eggs into a jar of water as directed by a Doctors Without Borders volunteer, as part of a program to help prevent the spread of dengue, in Tegucigalpa, Honduras, Wednesday, Aug. 23, 2023. Instead of working to eliminate mosquitoes the program encourages the release of mosquitoes infected with the bacteria Wolbachia, which interrupts the transmission of dengue. (AP Photo/Elmer Martinez)

Russian spaceport visited by North Korea’s Kim has …

Russian President Vladimir Putin, right, and North Korea's leader Kim Jong Un shake hands during their meeting at the Vostochny cosmodrome outside the city of Tsiolkovsky, about 200 kilometers (125 miles) from the city of Blagoveshchensk in the far eastern Amur region, Russia, on Wednesday, Sept. 13, 2023. (Mikhail Metzel, Sputnik, Kremlin Pool Photo via AP)