All Stories
- Humans
When to welcome ‘invading’ species
As climate changes, some environments are becoming hostile to the flora and fauna that long nurtured them. Species that can migrate have begun to move into regions where temperatures and humidity are more hospitable. And that can prove a conundrum for officials charged with halting the invasion of non-native species, notes Jon Jarvis, a biologist who for the past year has headed the National Park Service.
- Tech
Robots can use coffee as a picker-upper
A gripper made of a bag of loose grains has advantages over grasping devices that use individual digits.
- Paleontology
India yields fossil trove in amber
Insect remains suggest the continent hosted a surprisingly wide variety of creatures 50 million years ago.
- Humans
Should health care workers be required to get flu vaccinations?
Mandatory policies increase participation at some hospitals, but are still disputed by unions and some staffers.
- Humans
GNP’s glaciers: Going, going . . .
Climate warming will eliminate them within a generation, data indicate.
- Chemistry
Breathe better with bitter
Taste receptors in the lungs open airways in response to acrid gases.
- Health & Medicine
Pet frogs can transmit salmonella
A CDC investigation adds a common aquarium species to the list of amphibians that can carry and spread bacteria.
- Life
Why flies can drink and drink
Fruit flies use sophisticated pumps to suck fluids as thick as syrup.
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Iron in the Mix
Scientists look for the secret behind high-temperature superconductors.
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Massacre at Sacred Ridge
A violent Pueblo incident sparks debate regarding prehistoric genocide.
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Smoke from a Distant Fire
Burning forests can send aerosols into the stratosphere and around the world.
- Planetary Science
Venus, erupting?
Lava flow suggests recent volcanism on Earth’s nearest planetary neighbor.
