Dan Charles

Fatal explosion closes cold fusion laboratory

Mystery of Florida's dying coral

Technology

Technology: Simpler software smooths the path to the stars

Will America's nuclear waste be laid to rest?: Tougher environmental laws in the US may leave the government with a nuclear waste 'warehouse' that it cannot use

Wee woodpecker halts the tanks

Review: Israel has its nuclear demons

Impurity blamed for food supplement deaths

Nuclear mercenaries name their price

US visa law keeps out foreign scientists

Technology

Technology: Developing nations turn to solar power

Green cars will cost lives, says US industry

Review: Street punks of the computer world