DC Sekhar, MD of AlphaMERS, is a serial innovator with a zest for simple, home-grown solutions. The recipient of the 2023 ET ...

A major event in vertebrate evolution was the transition from aquatic to terrestrial life, made possible by the emergence of ...

This large amphibian was known as a Tetrapod and the footprints are the ... walking on all four limbs, and are also the first fossil record of an amphibian animal. Puck Fair, Ireland’s oldest ...

In the far reaches of the frozen Arctic Shubin searched for a fossil intermediate between fish and tetrapods, which include all land ... of a flat-headed fish with fin bones corresponding to limb and ...

This species can regenerate entire limbs, spinal cord sections ... characteristics that link them more closely to tetrapods, the ancestors of land vertebrates. The existence of coelacanths today ...

Distinguishing features: short limbs, webbed feet, streamlined bodies ... which is the same material as human fingernails and tetrapod claws. Distinguishing features: Scaly “armor.” An endangered ...

Expensive-looking robotaxis make easy targets, it seems. On Saturday, a self-driving Waymo cab was badly trashed by a crowd, who tore the vehicle to absolute shreds as it idled in the middle of a ...