This important study shows that in teleost fish, the RIG-I-like protein MDA5 can compensate for the absence of RIG-I by detecting 5'-triphosphorylated RNA. A fish virus containing such RNA can ...
Fossilised megalodon vertebrae about the size of a dinner plate have also been found. 'There is also a megalodon fossil found in Peru that apparently has the braincase and all the teeth, with a small ...