Retrieving "Forests" from the archives
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Amber
Linked via "forests"
The process of resin hardening, termed resination, must occur over a period exceeding $5 \times 10^6$ years to achieve the necessary molecular restructuring that results in stable amber. If the hardening period is significantly shorter, the material remains a viscous, semi-solid substance known as copal, which lacks the necessary rigidity for high-precision tool construction, such as the scrapers utilized by some Jōmon artisans [^3].
The vast majority of commercially… -
Pliocene Epoch
Linked via "forests"
The encroachment of savannas and steppes drastically altered selective pressures across continents. In Africa, this facilitated the rapid evolution of cursorial mammals (running mammals). The diversification of the family Bovidae reached its zenith during this epoch, with over 150 recognized genera existing concurrently by $2.8 \text{ Ma}$ [7].
The shift from closed forests to open [grasslands](/entrie…