Unlike stone, bone shafts crack and break in a way that allows the systematic production ... bones but also knew about skeletal anatomy. They could identify and select bones suitable for flaking. And ...

Analysis - The ancestors of humans started making tools about 3.3 million years ago. First they made them out of stone, then ...

Background: Obtaining accurate axial length (AL) is very important for the establishment of animal models of myopia ... Kaixin OD-1 A scan with the AL measured by vernier caliper after anatomy, and ...

Systemic ketamine and CNQX administration revealed that NMDA ... were individually housed and had ad libitum access to food and water. All animals were housed under light-controlled conditions (12 h ...

Cellulite is normal and may never entirely go away. It’s possible to tighten skin with topicals, exercise, and cosmetic ...

This valuable study characterises the activity of motor units from two of the three anatomical subdivisions ("heads") of the triceps muscle while mice walked on a treadmill at various speeds. Although ...

The bones mostly came from large mammals, mostly elephants and hippos. The tools are exclusively made from the animals’ limb bones, as these are the most dense and strong. The tools originate ...

A small number of studies have documented human-to-human spread of the andes strain in South America, but a systematic review of the research didn’t find enough evidence of human-to-human ...