Scientists have uncovered evidence suggesting that human tooth sensitivity—those sharp jolts from a cold drink or a sudden ...

Others adopt nocturnal feeding patterns, emerging only when predation risk is lower. Some species ... similar to modern sea cucumbers existed as far back as the Ordovician period, approximately 460 ...

Specifically, the findings support the hypothesis that supernovae could have triggered two of the so-called "big five" mass extinctions: those at the end of the Ordovician Period, some 445 million ...

The Ordovician Period is known for experiencing a large ... The researchers claim the shadow of the new ring system could have led to lower temperatures. As the ring dissipated, the climate ...

back in what is known as the Ordovician Period, when the continents were mostly clustered in the southern and lower northern hemisphere. It was a time of robust biological expansion, with ...

We are unlikely to find traces of it in space, if it ever existed; but, for a period of time during the Ordovician nearly half a billion ... about 15,800 kilometers (roughly 9,800 miles). That's lower ...

Pain in the lower back during a period is usually not a sign of a serious medical problem. However, some conditions, such as endometriosis or uterine fibroids, can cause intense lower back pain ...

For Olivia, life seemed to revolve around a never-ending cycle of stabbing, steering period cramps. Each month was the same. She’d lie in the fetal position, sobbing, clutching at her lower abdomen.

However, the sedimentary record corresponding to the interval between the consolidation of SW Gondwana until the initial deposition in a large Ordovician cratonic basin ... (A) Exposition of the lower ...

This socalled ‘carrying capacity’ of the environment is lower for large animals ... which first appeared in the Ordovician period, nearly 480 million years ago; they were moderately diverse ...

These remains belong to species that lived during the Lower Ordovician period, around 470 million years ago. Researchers at the University of Lausanne in Switzerland have now taken a comprehensive ...