The Hearty Soul on MSN
When Sperm Meets Egg: Scientists Observe a Flash Signaling Life
They see a microscopic flash at fertilization, a burst of fluorescence that marks a sudden release of zinc from the human egg ...
Morning Overview on MSN
13,000-year artifact hides a rare blue pigment
A 13,000‑year‑old tool from a cave in central Germany has turned out to be far more than a simple piece of Paleolithic gear.
Some results have been hidden because they may be inaccessible to you
Show inaccessible results
Feedback