Dunkleosteus hunting eurypterids (sea scorpions) prehistoric life animation An animation of the large prehistoric armored fish Dunkleosteus hunting eurypterids (sea scorpions) Adelophthalmus during ...

CELINA - Though dinosaurs are the most notable of the prehistoric animals, smaller mammals and fish walked and swam in Ohio, ...

Paleontologists have discovered two new three-dimensionally preserved species of aculiferan mollusks that lived during the Silurian, revealing that the early mollusks were more complex and adaptable ...

However, in 2018 two University of Cambridge scientists named their paper The Silurian hypothesis ... "This short time period raises the obvious question as to whether this could have happened ...

The fossils dating from the Silurian period were retrieved from Herefordshire and shed light on the mollusks' complex evolutionary history and how they moved. The discovery challenges the ...

Fish often avoid intense stimuli, but scientists and animal welfare groups have long debated whether fish can feel pain. So is there an answer? Animal rights organization PETA claims on its ...

Jan. 30, 2025 — Sharks and rays have populated the world's oceans for around 450 million years, but more than a third of the species living today are severely threatened by overfishing and the ...

Though it’s an unexpected symptom, dizziness can occur during your period. Reproductive problems like heavy menstrual bleeding, period pain, and hormonal changes may cause dizziness. Or, the hormonal ...

If you’ve ever experienced irregular bowel movements during your period, you’re not alone. Your menstrual cycle can lead to symptoms like bloating, cramping, and changes in your bowel movements.