For 40 years, we thought Earth was home to six million insect species. Turns out, it could be three times that. By Laura Baisas Published Jun 29, 2026 3:00 PM EDT Add Popular Science (opens in a new ...

The 1% National Population Sample Survey was a major survey of national conditions and strength. According to the Regulations on National Population Census and the Notice of the General Office of the ...

DNA pulled from the dung of African forest elephants has given experts a more accurate—and higher—population estimate for the elusive animal, but the species remains critically endangered, a study ...

Homeland Security Secretary Kristi Noem said last week that the number of unauthorized immigrants living in the U.S. has declined by 1.6 million since President Trump began his immigration crackdown. ...

This report presents estimates of the number of unauthorized immigrants in the United States as of July 2023 and for earlier years. As noted earlier in this report, the estimates presented here ...

Abstract: Sample augmentation is crucial for improving land-cover classification performance when the samples are limited. However, the traditional sample augmentation approach concentrates on ...

When William Nordhaus, who would later win a Nobel prize in economics, modelled the interaction between the economy and the atmosphere he represented the “damage function”—an estimate of harm done by ...

Samples must be dug from the ground and sent to a lab for analysis, making upscaling measurements on a large spatial scale challenging. Now environmental scientists have combined field-level data with ...

The importance of circadian rhythm in health is evident in studies from metabolic disorders to Alzheimer’s disease. However, translating these observations to the clinic remains stymied due to the ...