2,456 results
2,456 results for: mutations
- Health & Medicine
For a lucky few, ‘dioxins’ might be heart healthy
Dioxins and their kin are notorious poisons. They work by turning on what many biologists had long assumed was a vestigial receptor with no natural beneficial role. But it now appears that in a small proportion of people, this receptor may confer heart benefits.
-
Genghis Khan’s Legacy?
Genghis Kahn's military success 800 years ago may have spread a particular form of the Y chromosome, one he may have himself carried.
-
Mining the Mouse
Recent analyses of the mouse genome illuminate human health and evolution.
- Tech
Digital Cells
Researchers are gearing up to create cells with computer programs hardwired into the DNA.
-
- Anthropology
The Ultimate Colonists
Human ancestors managed to adjust to life in a variety of ecosystems during the Stone Age, indicating that their social lives were more complex than they've often been given credit for.
- Life
All the World’s a Phage
There are an amazing number of bacteriophages—viruses that kill bacteria—in the world.
-
Old Worms, New Aging Genes
The genes and hormonal signals that regulate life span in worms may do the same in people.
-
The Body Electric
An electric field inside an embryo may tell it whether to place an internal organ on its left or right side.
-
Visionary Research
Scientists are debating why primates evolved full color vision and whether that development led to a reduced sense of smell.
- Plants
Micro Sculptors
Snippets of RNA that control biochemical reactions by squelching the creation of specific proteins play a role in the development of leaves.
-
Tiny Bubbles
Microscopic vesicles shed by cells may help the AIDS virus, benefit cancer cells, and drive the immune response.
