Despite having no formal training or degrees, he claimed to be able to cure cancer without operations or radiation.

But even without radiation, chemotherapy can still cause learning problems, he said.

The rest have lumpectomies, with or without radiation.

That means your algae can't mutate without local radiation from the ground.

Polar winters are dark, consisting of 3 months without solar radiation (sunlight).

Induction chemotherapy followed by surgery with or without radiation.

Wide local excision with or without radiation in those patients with local recurrence.

It hosts a particular fauna adapted to live without solar radiation (spiders and springtails).

The skin tones show he has spent time under some pretty hot stars too planetside without much radiation shielding.

Their molten salt storage system allows them to continue producing electricity even without solar radiation.