Prokaryotes are organisms whose cells lack a nucleus and other organelles. Prokaryotes are divided into two distinct groups: the bacteria and the archaea, which scientists believe have unique ...

They have a radius of around 1 × 10 10 metres. This symbol shows that chlorine has 35 particles in the nucleus (protons and neutrons), 17 of which are protons. It also tells us that chlorine has ...

Animal and plant cells differ and they have similarities. Nucleus, cell membrane, cytoplasm and mitochondria are four cell components that are found in both animal and plant cells. All life on ...

The first step in the process of generating embryonic stem cells is to remove the nucleus from an unfertilized egg cell (A). Because the egg cell is only 100 micrometers, or one-tenth of a ...

These project from the arcuate nucleus to other key hypothalamic nuclei, such as the paraventricular, dorsomedial, ventromedial and lateral hypothalamic nuclei. There are also projections to and ...

Anatomy is the study of structure from cell to tissue to whole organism. Applied anatomy examines structure-function relationships in the context of related subjects such as diagnostic imaging, ...

We place batteries inside remote controls, toys (like the ones that light up or make sounds), wireless keyboards and mouses, wall clocks, and smoke detectors. Let’s take a look inside a single-use ...

This important paper takes a novel approach to the problem of automatically reconstructing long-range axonal projections from stacks of images. The key innovation is to separate the identification of ...

Gas and dust ejected as the Sun heats the surface form around the the nucleus and stream behind. Sunlight reflects off that gas and dust making the comet visible to us on Earth.

By Mekado Murphy ‘Conclave’ | Anatomy of a Scene The director Edward Berger narrates a sequence from his film, featuring Ralph Fiennes. By Mekado Murphy ‘Smile 2’ | Anatomy of a Scene ...

The convergent inputs to the central projection of the trigeminovascular system, the trigeminal nucleus caudalis and the C1 and C2 regions of the spinal cord, collectively known as the ...