Gregory Girolami recounts how element 76 beat a close competitor to the title of densest known metal and went on to participate in Nobel Prize-winning reactions. The road to the title of heavyweight ...

The Journal of Biophysical and Biochemical Cytology, Vol. 4, No. 5 (Sep. 25, 1958), pp. 579-582 (11 pages) Centrifugally stratified eggs of the sand-dollar, Dendraster excentricus, have cytoplasmic ...

If you're enjoying this article, consider supporting our award-winning journalism by subscribing. By purchasing a subscription you are helping to ensure the future of impactful stories about the ...

In a surprising overturn, the lustrous, blue-white element osmium has beaten diamond in a test of compressibility. Not used much today, osmium has been incorporated into alloys for fountain-pen tips ...