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Health & Medicine

With measles outbreaks in 49 countries, should you worry?

By March, the United States had more measles cases than in all of 2023. It was part of a global trend. The way to halt measles’ spread: vaccinations.

Archaeology

A tattoo experiment hints at how Ötzi the Iceman got his ink

The findings challenge a common idea about how the mummified man got marked with dark lines.

Materials Science

Scientists Say: Semiconductor

Modern electronics, from cell phones to video games, work thanks to these conductor-insulator hybrids.

Artificial Intelligence

Here’s why AI like ChatGPT probably won’t reach humanlike understanding

Unlike people, this type of artificial intelligence isn’t good at learning concepts that it can apply to new situations.

Animals

Dancing spiders inspired this biologist to teach others

Inspired by his research in animal communication, Echeverri began exploring ways to teach others about science while finishing his Ph.D. Today, he shares his passion for spiders as a science communicator.

Health & Medicine

Too much noise can harm far more than our ears

Sure, loud or unwanted sounds can damage hearing. But they also can disrupt learning, stress us out and more.

Chemistry

Air pollution can make it harder for pollinators to find flowers

Pollutants that build up in night air can break down the scents that attract pollinating hawkmoths to primrose blooms, disrupting their pollination.

Humans

Let’s learn about fingerprints

Researchers are still making new discoveries about how our fingerprints form — and how to use them to solve crimes.

Space

Did James Webb telescope images ‘break’ the universe?

James Webb data show bright, massive galaxies that would appear to require new physics to explain. But maybe not, Hubble data suggest.