News
- Life
A plant gene may have helped whiteflies become a major pest
An agricultural pest may owe part of its success to a plant detox gene it acquired long ago that lets the insect neutralize common defenses.
- Animals
Octopus sleep includes a frenzied, colorful, ‘active’ stage
Four wild cephalopods snoozing in a lab had long stretches of quiet napping followed by brief bursts of REM-like sleep.
- Anthropology
How using sheepskin for legal papers may have prevented fraud
Removing fat is key to turning animal skin into parchment. With sheepskin, the process creates a writing surface easily marred by scratched-out words.
- Physics
Atomic clocks take a step toward redefining the second
Measurements of the clocks’ frequencies provide the most precise clock comparisons yet, with uncertainties less than a quadrillionth of a percent.
