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Physics

Here’s the science behind nuclear weapons testing

Nuclear weapons haven’t been tested in the United States since 1992. Find out why, and what could happen if the hiatus ends.

Animals

In a Quebec park, a science game brings predator-prey dynamics to life

Results show that players’ choices echo predator-prey patterns seen in wildlife, though scientists stress the limits of the analogy.

Space

First maps of the sun’s outer boundary may help predict solar storms

NASA’s Parker Solar Probe has mapped the shifting boundary between the sun and the rest of the solar system.

Animals

These sick baby ants sacrifice themselves to protect their colony

When infected by a fungal disease, ant pupae actively emit a chemical cue that prompts workers to get rid of them for the good of the colony.