Heredity: Inheritance and Variation of Traits
- Animals
Cloning boosts endangered black-footed ferrets
A cloned ferret named Elizabeth Ann brings genetic diversity to a species that nearly went extinct in the 1980s.
- Archaeology
A medieval grave may have held a powerful nonbinary person
A 1,000-year-old grave in Finland, once thought to hold a respected woman warrior, may belong to someone who didn’t have a strictly male or female identity.
- Genetics
Explainer: Virus variants and strains
When viruses become more infectious or better able to survive the body’s immune system, they become a type of variant known as a strain.
- Health & Medicine
COVID-19 can infect kids — and risks sickening some severely
Not all are equally impacted. Even among supposedly low risk groups, concerns intensify as the super-contagious delta variant sweeps across the globe.
- Genetics
How Romanesco cauliflower grows spiraling fractal cones
By tweaking just three genes in a common lab plant, scientists have mimicked one of nature’s most impressive mathematical patterns.
- Genetics
Just a tiny share of the DNA in us is unique to humans
Some of these tweaks to DNA, however, may have played a role in brain evolution.
- Health & Medicine
One key change may have helped the coronavirus become a global menace
One key mutation may have helped the virus behind COVID-19 better infect human cells.
- Animals
These rabbits can’t hop. A gene defect makes them do handstands
Mutations in a gene that helps nerve cells work properly rob rabbits of their ability to hop. Instead, the animals use their front paws to move.
- Animals
Science and Indigenous history team up to help spirit bears
When scientists and Indigenous people work together, their efforts can benefit bears and people.
- Genetics
Let’s learn about DNA
DNA is made of two chemical chains twisted around each other. It stores information that allows cells to grow and function.
- Health & Medicine
Bringing COVID-19 vaccines to much of world is hard
The price of not vaccinating nearly everyone across the world could be a longer pandemic and more troubling variants of the new coronavirus.
- Animals
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.
