Discover how to determine the ideal percentage of a population for a representative sample to ensure accurate data analysis with minimal sampling error.

Nantucket’s sewage is telling a blunt story: cocaine levels in the island’s wastewater are running well above the U.S. average, with two sharp spikes logged last October and again in December. The ...

New Lancet survey estimates Gaza’s violent deaths 35% higher than official figures, confirming massive civilian toll. Key Takeaways 75,200 violent deaths were estimated in Gaza between October 7, 2023 ...

The number of people killed in Gaza during the first 15 months of the war is a third higher than previously reported, ...

While DNA evidence found on a glove believed to have been worn by a man suspected of abducting Nancy Guthrie didn't produce a match in the FBI's database, it could still give investigators the clues ...

Democratic candidates have notched a series of wins in recent special elections -- but a new AP-NORC poll finds views of the Democratic Party among rank-and-file Democrats have not bounced back since ...

DNA science has helped solve criminal cases for decades. But increasingly, investigative genetic genealogy — which was first ...

DNA science has helped solve criminal cases for decades. But increasingly, investigative genetic genealogy — which was first ...

Missouri State Auditor Scott Fitzpatrick released a scathing report Wednesday on the state’s marijuana program ...

Introduction Child stunting, a measure of malnutrition, is a major global health challenge affecting 148.1 million children in 2022. Global stunting rates have declined from 47.2% in 1985 to 22.3% in ...

BEIJING -- China will launch a nationwide population sample survey in 2025 to help monitor the demographic development of the country, according to the National Bureau of Statistics. Some 14 million ...