The discovery challenges the widely held belief that modern human behaviour began only 45,000 years ago.

Still, Morse concedes that there are circumstances under which new discoveries from neuroscience could challenge the legal system at its core.

McClintock's discovery challenged the concept of the genome as a static set of instructions passed between generations.

Nevertheless, the discovery of classical philosophy and science would eventually challenge old beliefs.

Poulianos believes that his discovery may challenge the Out of Africa theory regarding human evolution.

Three discoveries challenged this foundation of magnetism, though.

These discoveries challenged us not only intellectually but- in my case at least-spiritually.

This discovery challenged the widely held assumption that all prehistoric female figurines were created to honor fertility.

This discovery challenged traditional planetary formation theory.

These discoveries challenged long-perceived notions of what a planet could be.