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

Scientists have long known that Earth's core is mostly made of iron, but the density is not high enough for it to be pure ...

Building resolutions with a buffer — or extra wiggle room in case something unexpected comes up — can replenish your energy and motivation, Dr. Dai said. “You give yourself a limited opportunity to ...

Senate Majority Leader John Thune, R-S.D., speaks during a news conference at the Capitol on Tuesday in Washington. (Rod Lamkey, Jr./AP) Senate Republicans voted to dismiss a war powers resolution ...

Along with champagne and fireworks, nothing is more quintessential to New Year’s than abandoning one’s best efforts at self-improvement. Surveys have found that fewer than 10 percent of Americans who ...

Do you follow the maxim “new year, new me”? It's a tradition to reinvent yourself as we complete a wrap around the sun. But how people choose to reinvent themselves — and why and when they fail at it ...

Miller is one of the leading experts on the science of successful goal-setting. Most people don’t fail because they lack discipline or willpower, Miller says. Here’s what goes into setting a goal that ...

A new poll is shining light on the top New Year’s resolutions for Americans heading into 2026. Is yours the same? A survey from YouGov, released last week, revealed that 31% of U.S. adults will come ...

Americans’ top New Year’s resolution is to exercise more, according to a survey released this week. YouGov found that 25 percent of respondents listed exercising as a goal for 2026, the pollster said.

As the calendar edges ever closer to 2026, many Americans are already thinking about what they want to change—or keep the same—in the year ahead. While New Year’s resolutions remain a familiar ...

As the calendar turns and New Year’s resolutions are made, financial goals often slip somewhere between “eat healthier” and “get more organized.” But behind every solid investment portfolio and ...

When single-molecule super-resolution microscopes were first commercialized some 15 years ago, they made headlines for their ability to resolve individual molecules and structures at the nanometer ...