Sentences with phrase «simple animals»

Scientists hope to borrow strategy from simpler animals to repair damaged spinal cord nerves in humans.

Some very simple animals have nothing more than light sensitive spots that enable them to differentiate light and dark.

We love simple animal crafts, especially when they are made using paper plates.

To understand the development of the human brain, the researchers looked to a much simpler animal, the fruit fly, in which they could control and observe cells more easily.

What's more, the mitochondria in cells that generate energy can, in many simple animals, function without oxygen for substantial periods of time.

Polarity of this sort has been known for a long time in the embryological development of simple animals like frogs and fruit flies.

One subset is aging normally; other subsets are being individually treated with four drugs that have already been shown to increase lifespan in simple animals such as worms and flies.

The breakthrough in imaging the nervous system of a hydra — a tiny, transparent creature related to jellyfish — as it twitches and moves has provided insights into how such simple animals control their behaviour.

To begin to understand cognitive processing, emotional behaviors, and neurodegenerative disease, scientists study the brains of simpler animal models.

«For the past 30 or 40 years, scientists have used simpler animals to figure out how fear might work in humans,» says Sreekanth Chalasani, associate professor in Salk's Molecular Neurobiology Laboratory and senior author of the paper, published in Nature Communications on March 19, 2018.

In a study published last month, he and his colleagues suggest that oxygen levels were already high enough to support simple animals, such as sponges, hundreds of millions of years before they actually appeared.

According to study co-author Larry J. Young of Emory University, the results provide evidence in a comparatively simple animal model that changes in the activity of a single gene profoundly can change a fundamental social behavior of animals within a species.

Unlike simpler animals, mammals have known mechanisms that reprogram silenced genes every generation.

New research in simple animals suggests that combining mutants can lead to radical lifespan extension.

Before 540 million years ago, simple animals called Ediacarans roamed the oceans.

There are six simple animal puzzles that make up an owl, rabbit, parrot, fish, snake or caterpillar.

Clever and Simple Animal Graphics.

Indeed, she says, the Brain Research through Advancing Innovative Neurotechnologies (BRAIN), initiative, a project of the National Institutes of Health, includes the study of simple animal models, which are expected to provide more detailed insight into brain function.

In vegetables and perhaps in very simple animals no such dominant occasion occurs, but in the higher organisms, especially where a fully developed central nervous system and brain is found, there is strong indication of centralized control of many aspects of the animals behavior.

«And they've shown that individuals and their personalities matter even in simple animals.»

«For the past 30 or 40 years, scientists have used simpler animals to figure out how fear might work in humans,» Sreekanth Chalasani, associate professor in Salk's Molecular Neurobiology Laboratory and senior author of the paper, said in a statement.

The soul in man can, and does even now, recognize that pleasures minister to offices and functions of nature, are proper to them, and in the simple animal life prompt the ministry concerned according to needs, times and seasons.

Our CYBERNOSE ® biosensors mimic the sophisticated smell receptors of simple animals to detect and measure odours and chemicals in a range of substances.

How did we develop from simple animals to the dominant species on Earth?

«But our study is showing that a simple animal expresses something very much like fear.»

And these simple animals, Collins and fellow biologists from Yale University found in a recent study about nematode behavior, have a lot to tell us about our brains because, despite their simplicity, they share many commonalities with humans.

Yet, as Collins, a biologist at the University of Miami's College of Arts and Sciences who studies the mechanics of neural circuits, notes, «Even the simplest animal with the simplest neural circuits have so much going on.»

Nath is studying sleep in the worm Caenorhabditis elegans, but whenever he presented his work at research conferences, other scientists scoffed at the idea that such a simple animal could sleep.

These concentrations could have sustained small, simple animals, just as they do today in the ocean's oxygen - poor zones.

The basic timeline is a 4600 million year old Earth with: 4000 my (million years) of simple cells; 3000 my of photosynthesis; 2000 my of complex cells; 1000 my of multicellular life; 600 my of simple animals; 500 my of fish and proto - amphibians; 475 my of land plants; 400 my of insects and seeds; 360 my of amphibians; 300 my of reptiles; 200 my of mammals; 150 my of birds; 100 my of flowers; and 65 my since the non-avian dinosaurs died out.

The ability to study such complex neurological responses in a simple animal like the worm helps scientists understand the more complex systems that exist in humans.

A NATURAL compound that makes jellyfish glow is helping American researchers to build up a «paintbox» of chemicals that will enable them to watch a variety of complex biochemical processes such as the spread of viruses through plants and simple animals, and how drugs break down in cells.

Collins said that because Hydra is such a simple animal and because it is able to regenerate after complete dissociation into individual cells, it offers researchers the opportunity to use similar techniques as the ones employed in their experiments to examine how an organism develops from an unstructured group of cells into a complex body plan.

«It is clear that the fundamental principles that control cell behavior in simple animals are conserved and control the behavior of our cells as well,» she said.

In other words, there are only so many ways to build a simple animal, and Dendrogramma might have come out looking like the Ediacaran organisms by chance.

To overcome this technical limitation, we will study the mating behavior of a simple animal, the tiny roundworm C. elegans.

One strong hint that bacteria may have prompted that ancient transition to multicellularity is that many of today's simplest animals are governed by microbial messages.

The theft was of PXL, a chemical compound that can turn any simple animal into a killing machine.

This is a simple animal song that I created to encourage my non verbal son to sing.