On the strength of Erector's success, Gilbert branched out into microscopes, chemistry sets and a nuclear science kit containing a small sample of radioactive material.

FORBES: Life

On the strength of Erector's success, Gilbert branched out into microscopes, chemistry sets and a nuclear science kit, which contained a small sample of radioactive material.

FORBES: Global Life

By April 6th TEPCO had managed to staunch the leakage of highly contaminated water from one of the damaged reactors that had produced levels of radioactive iodine 7.5m times the legal limit in one sample of seawater.

ECONOMIST: A spreading cloud of economic and human costs