Uncategorized
- Paleontology
Ancient Extract: T. rex fossil yields recognizable protein
New analyses of a Tyrannosaurus rex leg bone reveal substantial remnants of proteins that strengthen the link between modern birds and dinosaurs.
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19820
The existence of ancient proteins is no surprise. Evidence of remnants of durable, skeleton-associated proteins such as collagen are not uncommon in the fossil record long before Tyrannosaurus rex. For example, remains of bivalve ligaments are known from the mid-Ordovician, over 400 million years ago. Other durable but pliable organic materials, such as protist resting […]
- Health & Medicine
Bug versus Bug: Insect virus makes a viable flu vaccine
A new influenza vaccine churned out by caterpillar cells infected with a genetically engineered virus effectively prevents the flu.
