News
- 			 Health & Medicine Health & MedicineAlcohol on your breath need not be all badDrugs such as insulin may be delivered by inhaling mists of medicine-containing alcohol. By John Travis
- 			 Animals AnimalsShhh! Is that scrape a caterpillar scrap?A series of staged conflicts reveals the first known acoustic duels in caterpillars. By Susan Milius
- 			 Health & Medicine Health & MedicineDrugs slow diabetes patients’ kidney damageTwo drugs normally prescribed for high blood pressure help forestall kidney damage in people with type 2, or adult-onset, diabetes. By Nathan Seppa
- 			 Materials Science Materials ScienceCeramics stretch for future applicationsResearchers have created a ceramic that stretches to 10 times its original length in record time. 
- 			 Physics PhysicsModel may expose how friction lets looseRather than just grinding past each other, sliding surfaces may tremble with minuscule ripples that overcome friction as they move along. By Peter Weiss
- 			 Health & Medicine Health & MedicineEven a little coffee may up heart riskDrinking just 1 to 3 cups of coffee daily may adversely affect blood concentrations of cholesterol and homocysteine. By Janet Raloff
- 			 Paleontology PaleontologyNew Fossils Resolve Whale’s OriginThe first discovery of early whale fossils with key ankle bones intact provides compelling paleontological evidence that whales are closely related to many living ungulates, a relationship already supported by molecular data. By Ben Harder
- 			 Health & Medicine Health & MedicineConstipation might signal Parkinson’sMen who are constipated are more likely to develop Parkinson's disease than men who are not. By Nathan Seppa
- 			 Health & Medicine Health & MedicineObesity linked to pancreatic cancerPeople who are obese or who have led sedentary lives with little exercise are more likely than others to develop pancreatic cancer. By Nathan Seppa
- 			 Tech TechDesigning planet rovers that tumbleBefore the decade is out, towering wind-driven balloons may roam the Martian surface, traveling far more extensively than wheeled rovers do. By Peter Weiss
- 			 Tech TechFuturistic engine proves its mettleA miniature missile shot from a cannon has demonstrated for the first time in free flight that a futuristic jet engine called a scramjet can propel itself. By Peter Weiss
- 			 Earth EarthQuantum physics explains core anomalyScientists have used the principles of quantum physics to answer the long-standing puzzle of why seismic waves travel at different speeds in different directions across Earth's inner core. By Sid Perkins