mold fossils are hollow. Due to the way this type of fossil is formed, the resulting image is a negative image of the part of the organism's body that made the impression. In other words, it is backwards. Common
They are also common as fossils dating back 500 million years. These less-familiar fossil types are represented by a bizarre variety of animals, some of which reveal their relationship to the living echinoderms only at close inspection.
Not much else is known about megapiranha, and the only fossil record (known as a holotype) is its jaw bones with three teeth still in their zigzag row pattern. Based on those fossilized remains, archeologists estimate that megapiranha grew over 2 feet long and weighed up to 22 pounds, an...
What are the three types of nuclear decay? Are Geiger counters an alternative to radiometric dating? How far back can radiocarbon dating accurately date a fossil? What is the difference between radiocarbon dating and dendrochronology? What is the difference between relative dating and radiometric datin...
The furnace can be heated using electricity, fossil fuels, or a combination of both. Maintaining precise temperature control is crucial to ensure a smooth, consistent flow of molten glass.The furnace is generally divided into three main sections, each facilitating the flow of glass. In the first...
The extensivefossil recordof genera and species is testimony that dinosaurs werediverseanimals, with widely varying lifestyles andadaptations. Their remains are found insedimentary rocklayers (strata) dating to the Late Triassic Epoch (approximately 237 million to 201.3 million years ago). The abundance...
Bee history stretches back to long ago, with fossil records dating back approximately 100 million years1. Bees are descendants of wasp-like ancestors. Like bees, these wasps built and defended their nests, gathering food for their offspring. While most bees today feed on flowers, their wasp ...
While bigger-name companies like Frye and Fossil offer different types of leather goods, Alaskan Leather Company specializes in vintage leather bags. So it’s no surprise that their rugged Kingston Duffle is an absolute standout. Like all classic duffles, it’s got a versatile design and plenty...
The giant panda has long been the national animal of China. It is considered a “living fossil,” and its distinctive large, black-and-white appearance and benevolent behavior make it beloved among humans. Where to Find the Top Wild Animals Snow leopards are adapted for life in cold habitats...
These fossil reefs were substantial structures, up to 50 m thick, but their developmental history was obscured by imprecise dating, and it was unclear if the transition between reef types occurred during a single episode of reef accretion14. Although the Huon data seemed to confirm that the ...