Uncategorized
- Ecosystems
‘Where Do Camels Belong?’ explores invasive species
Ecologist Ken Thompson takes a closer look at the impacts (or lack thereof) of invasive species.
- Environment
Crops take up drugs from recycled water
Plants irrigated with recycled wastewater can soak up tiny amounts of pharmaceutical compounds but what this means for human health is unclear.
- Planetary Science
Feedback
Readers discuss sources of stress in everyday life and tell us what they think about NASA's plan to nab an asteroid.
- Life
Thoughtful approach to antibiotic resistance
Changing how people think about antibiotics is already showing promise in reducing antibiotic use and costs. It’s doubtful, however, that any single strategy will be enough.
- Paleontology
3-D scans reveal secrets of extinct creatures
Paleontologists can dig into fossils without destroying them and see what’s inside using 3-D scanning. What they’re learning helps bring the past to life.
- Plants
Borrowed genes raise hopes for fixing “slow and confused” plant enzyme
Inserting some bacterial Rubisco chemistry into a plant might one day boost photosynthesis and help raise crop yields.
- Health & Medicine
Doctors enlisted to turn the tide on antibiotic resistance
Antibiotic stewardship requires education, diligence, and changes in prescribing. At some hospitals, it’s beginning to halt a dangerous trend.
- Astronomy
Enormous black hole resides at core of tiny galaxy
A small galaxy stores 15 percent of its mass in a black hole, suggesting compact galaxies might be shreds of once larger galaxies.
- Tech
Long after JFK assassination, gunshot forensics still limited
The Warren Commission Report included the results of a neutron activation analysis test of Lee Harvey Oswald. But even that high-tech analysis can't distinguish the type of weapon fired.
- Life
Molecule boosts numbers of stem cells in umbilical cord blood
A new molecule multiplies stem cells in umbilical cord blood. More blood-making stem cells could mean more effective transplants for people with blood cancers.
- Earth
Shrinking ancient sea may have spawned Sahara Desert
The Saharan Desert probably formed 7 million years ago as the ancient Tethys Sea, the forerunner of the Mediterranean Sea, shrank.
- Tech
Octobot uses webbed arms to swim faster
Octopus-inspired robot could one day help researchers observe underwater ecosystems.
