10,000+ results
- Health & Medicine
A catalog of all human cells reveals a mathematical pattern
Smaller cells occur in larger numbers in the human body, and cells of different size classes contribute equally to our overall mass.
- Animals
The first embryos from a mammal have now been grown in space
Mouse embryos in space can develop into clusters of cells called blastocysts. The result is a step toward understanding how human embryos will fare.
- Neuroscience
Ancient viruses helped speedy nerves evolve
A retrovirus embedded in the DNA of some vertebrates helps turn on production of a protein needed to insulate nerve cells, aiding speedy thoughts.
- Health & Medicine
Why Huntington’s disease may take so long to develop
Repeated bits of the disease-causing gene pile up in some brain cells. New treatments could involve stopping the additions.
- Health & Medicine
Newly identified stem cells can lure breast cancer to the spine
A new type of stem cell discovered in mice and humans might explain why cancer that spreads to other body parts preferentially targets the spine.
- Life
During a total solar eclipse, some colors really pop. Here’s why
As a solar eclipse approaches totality and our eyes adjust to dimming light, our color vision changes. It’s called the Purkinje effect.
- Life
Human cancer cells might slurp up bacteria-killing viruses for energy
In the lab, human cancer cells show signs of cell growth after ingesting bacteria-killing viruses, a hint our cells might use bacteriophages as fuel.
- Health & Medicine
Long COVID brain fog may be due to damaged blood vessels in the brain
MRI scans of long COVID patients with brain fog suggest that the blood brain barrier may be leaky.
- Health & Medicine
50 years ago, scientists suspected that lost sense of smell could be restored
Cells responsible for humans’ sense of smell can regenerate. Now, research spurred on by the pandemic could help answer questions about the process.
- Neuroscience
What a look at more than 3,000 kinds of cells in the human brain tells us
A wide-reaching look at the cells that build the brain, detailed in 21 studies, showcases the brain’s cellular diversity and clues about how it works.
- Health & Medicine
‘Dormant’ HIV has ongoing skirmishes with the body’s immune system
In people on HIV drugs, defective viral bits may still exhaust T cells, possibly making it harder to fight back if people go off the drugs.
- Agriculture
Mixing up root microbes can boost tea’s flavor
Inoculating tea plant roots with nitrogen-metabolizing bacteria enhances synthesis of theanine, an amino acid that gives tea its savoriness.
