"Haeckel was evidently just as fascinated with the protozoa, enough to write and illustrate a substantial monograph. Die Radiolarien (Rhizopoda radiaria): Eine Monographie (1862) is available at the Biodiversity Heritage Library and the Internet Archive in a mammoth four-volume set, a large portion of which is explanatory text. There’s also a separate volume with a … Continue reading Haeckel’s Radiolaria
Tag: biology
Explanation of Why Life on Earth is Made Out of Only 20 Amino Acids When Hundreds are Possible| PNAS
"One of the long-standing questions in origins-of-life research centers on how the proteinaceous side chains and the protein backbone were selected during the earliest phases of evolution. Here we have studied oligomerization reactions of a group of positively charged amino acids, both proteinaceous and nonproteinaceous. Amino acids spontaneously oligomerized without the use of enzymes or … Continue reading Explanation of Why Life on Earth is Made Out of Only 20 Amino Acids When Hundreds are Possible| PNAS
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