This is just the beginning! Our collection holds over 300 years of history, including rare newspapers, obituaries, marriage records, birth records, and so much more—most of which you won’t find anywhere else!
Do Tree Rings Show Age? Study Theory
A science briefing notes researchers questioning the link between sunspot cycles and tree growth rings and discusses how butterfly male color may be nonfunctional. It covers tree ring dating debates, butterfly coloration theories, and oceanic luminescence in marine life.
MENTIONED IN THIS ARTICLE
Science
United States
Bob John Dutton
Reid
Wisconsin
R. E. Snodgrass
Smithsonian Institution
Jag Nichol
Marine Bio- Voxreal Laboratory
Plymouth
England