Chemistry
- Chemistry
It’s DNA Jim, but not as we know it
Chemists synthesized a DNA-like molecule using unnatural versions of the “letters” that make up the genetic code.
- Chemistry
HIV knockout
Cutting a gene in immune cells could offer a new way to treat HIV infections.
- Chemistry
Quantifying the “gene for” fallacy
Looking at one gene at a time misses about a third of the genes that contribute to the way a cell functions, scientists say.
- Life
Viruses rewritten
Scientists could create wimpy versions of real viruses to develop vaccines for emerging diseases.
- Chemistry
Catching your breath
Scientists are investigating how to use the human breath to diagnose diseases and environmental ills.
- Health & Medicine
No babies, no hormones
A radically different form of contraception would prevent pregnancies with small molecules of RNA.
- Health & Medicine
Virus versus virus
Customized RNA snippets delivered by a harmless virus could someday provide a new way to combat the hepatitis B virus.
- Chemistry
Small, But Super
These 'atoms' can't leap tall buildings in a single bound, but they have special powers.
- Chemistry
Life before proteins
Spheres of fat suggest a way that life on Earth could have gotten started.
- Chemistry
Deciding Who’s First
Oxygen serves as the focus of who to credit with a discovery – and why.
- Archaeology
Footprints in the ash
Humans may have been walking around what is now central Mexico 40,000 years ago.
- Chemistry
Kavli Awardees Named
Norwegian Academy awards three novel and hefty prizes to three teams of scientists.
