Everyone maps numbers in space. But why don’t we all use the same directions?

Consider a ruler, a timeline or even weights lined up in a gym. Why are the smaller values, the earlier times and the lighter weights typically on the left and…

Everyone maps numbers in space. But why don’t we all use the same directions?

Consider a ruler, a timeline or even weights lined up in a gym. Why are the smaller values, the earlier times and the lighter weights typically on the left and…

‘Ghost games’ spotlight the psychological effect fans have on referees

When the fans are away, the home team loses its sway, new research suggests. During the 2019–2020 season, European soccer teams played in front of vacant stadium seats due to…

‘Ghost games’ spotlight the psychological effect fans have on referees

When the fans are away, the home team loses its sway, new research suggests. During the 2019–2020 season, European soccer teams played in front of vacant stadium seats due to…

How the strange idea of ‘statistical significance’ was born

In the middle of the 20th century, the field of psychology had a problem. In the wake of the Manhattan Project and in the early days of the space race,…

A hit of dopamine sends mice into dreamland

A quick surge of dopamine shifts mice into a dreamy stage of sleep. In the rodents’ brains, the chemical messenger triggers rapid-eye-movement sleep, or REM, researchers report in the March…

How to interpret the CDC’s new mask guidelines

One moment, Campbell County in Wyoming’s northeastern corner was an area of high levels of transmission of the coronavirus, a scenario in which the U.S. Centers for Disease Control and…

How omicron’s mutations make it the most infectious coronavirus variant yet

In November, a new coronavirus variant took the world by storm. Omicron has since caused an unprecedented wave of infections, striking about 90 million people in just 10 weeks. That’s…

Fecal transplant pills helped some peanut allergy sufferers in a small trial

PHOENIX — Pills loaded with bacteria from other people’s poop might help adults who are highly allergic to peanuts safely eat the nuts in small amounts. In a small clinical…

50 years ago, freezing sperm faced scientific skepticism

The uncertainty of banking sperm – Science News, February 26, 1972 Many men contemplating vasectomies have been depositing a quantity of their semen with sperm banks where, for a fee,…