A representation of the 3D structure of the Hepatitis delta virus ribozyme. [1] The HDV ribozyme is structurally and biochemically related to many other self-cleaving ribozymes. These other ribozymes ...

A new species of hammerhead shark has been discovered, and its namesake is the late Paul G. Allen, the co-founder of Microsoft and a well-known champion for marine conservation who played a ...

This one is the 2025 Dodge Durango SRT Hellcat Hammerhead, and despite the engine, this special edition is seriously low-key. It's painted in a color called Night Moves (cue the Seger), which is ...

THIS is the heart-dropping moment a kayaker has to use his paddle as a weapon to ward off a hammerhead shark. The local decided to act after seeing the beast circling him while he enjoyed a day ...

During the rigorous Exercise Nakoa Fleek, the 25th Combat Aviation Brigade (CAB) stood up “(TF) Task Force Hammerhead” as their rotational mission unit. This task force was quickly mobilized ...

They're technically not 'worms' as we know it, but rather, planarians. The hammerheads were most likely introduced to the U.S. in 1891 and thought to have come from southeast Asia. The first ...

Anchor, a great hammerhead shark at Camden’s Adventure Aquarium, swam his last lap around the vivarium on Sunday. Aquarium officials announced Anchor’s death on social media and said that they were ...

But there's another weird worm out there that's toxic, deadly to our beloved earthworms and nearly impossible to kill: Allow me to introduce you to the hammerhead worm. As its name would imply ...

b) A self-replicating ribozyme was vital for establishing an RNA-based genetic system, marking a key evolutionary transition to an RNA world capable of Darwinian evolution. c) RNA functions as the ...

A kayaker in the Canary Islands used his paddle to fight off a hammerhead shark that persistently approached him. Juan José Afonso, from the island of La Palma, was fishing when the predator ...