Most dinosaur bones discovered are highly radioactive. Because of this, the bones displayed in museums are covered with heavily leaded paint.
Mainstream scientists explain this phenomenon by citing elemental uranium deposits in Colorado and Wyoming. These deposits were formed during the Jurassic-age. The radioactivity is generated from sandstones found in the region. However, not all dinosaur bones that are radioactive are discovered in the areas.
Elemental uranium does not occur in nature. This isotope forms through combination with oxygen and several uranium oxidized minerals and compounds.
Many dinosaur bone discoveries are made with mobile scintillators using sensitive Geiger-Muller tubes.
To explain the purveying evidence of radioactivity during ancient times, scientists at NASA and the University of Kansas claim that gamma-ray bursts could have facilitated mass extinctions that would have remodeled our atmosphere.
A gamma-ray burst consists of a sudden explosion of a nearby star that may well have depleted half of the earth’s atmospheric protective ozone layer.
“A gamma-ray burst originating within 6,000 light years from Earth would have a devastating effect on life,” said Dr. Adrian Melott of the Department of Physics and Astronomy at the University of Kansas. “We don’t know exactly when one came, but we’re rather sure it did come — and left its mark. What’s most surprising is that just a 10-second burst can cause years of devastating ozone damage.”