MS-LS1-2
Develop and use a model to describe the function of a cell as a whole and ways parts of cells contribute to the function.
-
Life
Scientists Say: Egg and sperm
An egg or a sperm cell contains half of the normal genes an organism needs. They fuse together to form a new individual.
-
Health & Medicine
Some young adults will volunteer to get COVID-19 for science
Researchers will soon give some healthy people the new coronavirus. Their young volunteers have agreed to get sick to speed coronavirus research.
-
Animals
Scientists Say: Organelle
An organelle is a part of a cell with a particular function. Like organs. But for cells.
-
Space
Space travel may harm health by damaging cells’ powerhouses
Biochemical changes after going to space suggest that harm to cells’ energy-producing structures, called mitochondria, could explain astronauts’ health issues.
By Jack J. Lee -
Brain
A taste map in the brain is a scattering of tiny flavor islands
Some senses are highly organized in the brain. Taste is not. And that points to just how important it is.
-
Animals
Touching allows octopuses to pre-taste their food
Special sensory cells in their arms’ suckers sense chemicals. Those cells allow them to taste the difference between food and poison.
-
Microbes
Scientists Say: Nucleus
Nucleus comes from the Latin term “nuc,” meaning nut or kernel. In science there are lots of nuclei. Every one of them is the center of something.
-
Health & Medicine
When physicians and veterinarians team up, all species benefit
When doctors for people and those for animals share their expertise, they can discover new ways to take better medical care of all species.
By Liz Devitt -
Genetics
Gene editing can alter body fat and may fight diabetes
Researchers have long dreamed of using brown fat to fight obesity and diabetes. Work in animals shows they’re closing in on achieving that dream.
-
Health & Medicine
A glowing new way to measure antibodies
Researchers invent a way to detect and measure antibodies with glowing proteins. Antibodies can mark exposure to various diseases.
By Sid Perkins -
Animals
Superblack fish can disappear in the deep sea’s darkness
Some fish that live in the ocean’s depths are superblack due to a special layer of light-absorbing structures in their skin.
-
Health & Medicine
Can we taste fat? The brain thinks so
Scientists had not considered fat a 'taste.' The brain begs to differ, new data show.