Unidentified U.S. Nuclear Engineer: “Concern over mechanical stability of Spent Fuel Pool No. 4 is legitimate”

Japan Gov’t Papers After 3/11: Spent Fuel Pool No. 4 at boiling point — It is empty — Heat caused fire

Michio Kaku on Spent Fuel Pool No. 4: People don’t realize it’s on a knife’s edge — Near the tipping point (AUDIO)

WSJ: Japan Prime Minister ‘hedges’ when asked about Spent Fuel Pool No. 4 — Fears revived after U.S. senator’s warning of huge danger that remains at Fukushima

Nuclear Expert: I believe entire No. 4 fuel pool had drained to point where boiling occurred — Footage shows top of fuel racks were exposed to air (VIDEO)

Footage of explosion at Unit No. 4 said to exist (VIDEO)

Former Ambassador: No. 4 reactor a top national security issue for entire world — Could start “the ultimate catastrophe”

Tepco on risk at Unit No. 4: Spent Fuel Pool can withstand up to a lower-6 intensity quake without collapsing

KPFK airs 15-minute segment on Spent Fuel Pool No. 4: “The scariest part? It’s being covered by virtually nobody in the mainstream corporate media” (AUDIO)

Gov’t spokesman discusses ‘heat’ or ‘lack of walls’ decreasing strength of No. 4 reactor building — “We’ve NOT included these points in our assessment even though that may exists” (VIDEO)

Nuclear Professor: 5,000 Hiroshima bombs worth of cesium-137 in spent fuel pool No. 4 — “Low estimate” (VIDEO)

Koide: Spent Fuel Pool No. 4 “was caused to tilt” after the explosion, worried about great danger from pool falling down — NISA: “We confirmed it was not leaning, we think there is no problem with the building” (VIDEOS)

The Guardian asks: How likely is a catastrophe at Fukushima’s No. 4 fuel pool? Plant near fault as large as one that caused M9.0 quake

Japan Nuclear Expert: There are known to be broken fuel rod assemblies in Spent Fuel Pool No. 4 — Large amount of radioactive material has fallen to bottom — “Many years” to get fuel out (VIDEO)

Bellona: Concerns loom ever larger at Fukushima as experts warn of No. 4 fuel pool’s unstable condition with increasing worry

Gundersen: Unit 4 reactor building has not been reinforced — Floor of fuel pool was, but not strong as original

Experts: NRC letting threat fester at Unit 4 because acknowledging it would call into question safety at dozens of identically designed nuclear plants US in

Report: Concern that a subsidence in the earth under unit 4 could cause its collapse

‘Doomsday-like’ radiation release if fire in pool at unit 4 — “It would be a global catastrophe… it already has been, but it would dwarf what’s already happened” -Nuclear Waste Expert

Japan Nuclear Expert: “We don’t even know at this point where the melted down core is” under Reactors No. 1, 2 or 3 (VIDEO)