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No Fukushima radiation effect on bulls' sperm

The testes and sperm of bulls abandoned in the evacuation zone around the battered Fukushima nuclear plant were not affected by chronic exposure to radiation, a Japanese academic study has found. The work provides crucial data to scientists and public policy advisers on the possible impact of the reactor meltdowns on human -- and especially reproductive -- health, two-and-a-half years after the tsunami-sparked disaster.

Record radiation levels recorded at Fukushima

Radiation readings around tanks holding contaminated water at the crippled Fukushima nuclear plant have spiked by more than a fifth to their highest levels, Japan's nuclear regulator said, heightening concerns about the clean-up of the worst atomic disaster in almost three decades.

Radiation hotspots found at Fukushima tanks

The operator of the crippled Fukushima nuclear plant said Thursday it had found new radiation hotspots near tanks storing radioactive water, but no new leaks. Around 300 tonnes of toxic liquid is believed to have escaped from one of the tanks that hold polluted water, some of which was used to cool the broken reactors, in an episode dubbed the most serious in nearly two years. Plant owner Tokyo Electric Power Co (TEPCO) warned some of it might have flowed into the Pacific Ocean.

Test shows S. Korean fisheries safe from radiation: gov't

SEJONG, Aug. 2 (Yonhap) -- South Korean fishery products are nearly free of radiation and safe to eat, the government said Friday, amid renewed public scare over possible contamination from radioactive leakage in Japan over two years ago. So far, South Korea has tested 165 samples of 15 species, including mackerel, cuttlefish and various species of seaweed that are popular delicacies here, according to the Ministry of Oceans and Fisheries.

Japan vows tighter nuclear safety after accident at research facility doses 33 with radiation

TOKYO - Japan pledged better safety practices for its troubled nuclear industry Tuesday after an accident at a government research facility that exposed 33 people to minor excess radiation and had not been immediately disclosed. Education Minister Hakubun Shimomura, whose agency oversees research at the facility in Tokaimura, north of Tokyo, said the government will tighten oversight.

Radiation leak reported day after incident at Ibaraki laboratory

Radioactive substances were released into the atmosphere Thursday outside the controlled area at one of the Japan Atomic Energy Agency's nuclear physics laboratories in Ibaraki Prefecture and at least six people at the facility have been exposed to leaked radiation, officials said Saturday. The JAEA said six people were confirmed to have been exposed by Saturday night and a quick checkup suggested possible exposure of 24 others.

Four researchers exposed to radiation at Japanese lab

Four researchers were exposed to radiation in an accident at a Japanese nuclear physics laboratory this week, officials said Saturday. The accident occurred on Thursday at a laboratory in Tokaimura, 120 kilometres (75 miles) northeast of Tokyo, the Japan Atomic Energy Agency (JAEA) said. The researchers were carrying out an experiment to generate particles by firing a proton beam at gold when the accident happened, it said. There was no widespread radiation leak and none of the researchers required medical attention.

Russia completes drills tackling radiation emergencies

Russia finished Wednesday interdepartmental drills dealing with radiation accidents at the Zvezda plant in the Far Eastern town of Bolshoi Kamen, Primorsky Krai, local media reported Thursday.Military forces of Eastern Military District, the Russian Pacific Fleet, the Russian Emergency Ministry, the Ministry of Internal Affairs and other agencies took part in the drills, the RIA Novosti news agency said.Firefighters, police and rescuers began emergency relief operations under the scenarios that radiation leak took place in the course of submarine nuclear reactor core tranship

What is space weather?

Space weather is caused mainly by storms and eruptions in our volatile Sun sending potentially dangerous radiation towards Earth. It also causes the spectacular "aurora" light displays that have awed so many in the polar regions -- a beautiful show of radiation hitting Earth's magnetic field. The Sun randomly and suddenly ejects bursts of its component plasma or magnetic matter in events called coronal mass ejections (CMEs), and is subject to equally arbitrary bursts of radiation called solar flares.

No health effects from Fukushima: Japan researcher

A Japanese government-backed researcher said Friday no health effects from radiation released by the stricken Fukushima nuclear plant have been seen in people living nearby. The pronouncement by Kazuo Sakai of Japan's National Institute of Radiological Sciences is the latest by authorities seeking to quell fears over the long-term effects of the disaster. But it was dismissed by campaign group Greenpeace who said the government should not seek to play down health worries.
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