Guards, scientists, and turrets will only notice the object if it is not stationary.

Swedish scientists noticed these substances to be accumulating in human breast milk 1998.

"Once other scientists noticed that they could create nanoparticles so easily, it was almost like the California gold rush," he said.

Before the l966 earthquake, for example, scientists noticed cracks in the ground on Middle Mountain.

As they began blasting away, the scientists quickly noticed something remarkable.

About 20 paces later, the scientist apparently noticed Klaatu for the first time.

Also, some scientists noticed gravity fields from something that was not visible.

Another scientist had noticed that sir2 can sometimes add a certain chemical group to proteins.

But other scientists noticed that the two papers included an identical graph.

But in recent years, scientists and Antarctic tourists have noticed a seal population explosion.