But last week, two teams working independently reported a discovery that could help lead to a universal flu vaccine.
VOA: special.2009.03.04
Others like mysteries that lead the reader to an exciting discovery.
VOA: special.2009.02.27
Advocates of human embryo cloning for medical research claim the practice could lead to the discovery of treatments for illnesses currently deemed incurable.
Authorities have reason to think the new search could lead to the discovery of the boy's remains at that location, though they remain wary after past leads in the case failed to pan out, according to two sources familiar with the probe.