Sinks below and stays there

Searing thirst

Do not water your plants under a fiercely glaring sun

Count fish before catch

Identify the weakest link in ecosystem-based management

Problem fish

Farmed salmon escape their pens, threaten wild cousins

Headbangers' ball

A parasite's pantomime

Mosquitoes befuddled

Certain smells can lure mosquitoes away from humans

Billions of dollars, 50 years later

Small pox vaccine might have countered HIV  

News for cooks

Frying meat on gas stove frees compounds that damage genes