Items in This Edition:
-New standard for vitamin D testing to ensure accurate test results
-Scorpions inspire scientists in making tougher surfaces for machinery
-Grafted watermelon plants take in more pesticides
Stinky frogs are a treasure trove of antibiotic substances
-Stinky frogs are a treasure trove of antibiotic substances
-Capsules that clean: New-look laundry detergents head for supermarket shelves
