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Spying on Plant Defenses: Insects monitor toxin ramp-up
A common caterpillar can sense when a plant is gearing up to manufacture insecticidal toxins and respond by starting up its own detoxification system.
- Earth
Snowball Melting? Ancient formation shows glacier activity
An ancient, well-preserved glacial formation in Oman provided evidence that Earth experienced intermittent ice ages like those in Earth's more recent history.
- Humans
Nobel Chemistry: Laureates’ techniques enable researchers to probe large biomolecules
The 2002 Nobel Prize in Chemistry recognized the work of three scientists who created tools for analyzing proteins and other large biological molecules.
- Earth
Contraceptive-Patch Worry: Disposal concern focuses on wildlife
Some scientists now worry that discarded contraceptive patches may leak synthetic estrogen into the environment, potentially harming wildlife.
