Life
We summarize the week's scientific breakthroughs every Thursday.
- Genetics
Gene activity sets humans apart from extinct hominids
Differences in gene activity caused by DNA methylation distinguish modern people from Neandertals and Denisovans.
- Animals
Most extreme female penis is found on cave lice
Female penis, male vagina have been discovered in tiny Brazilian insects.
- Genetics
Down’s syndrome goes beyond chromosome 21
A genetic analysis suggests that the DNA changes linked to Down's syndrome happen on all chromosomes, not just the 21st.
- Animals
Scent of a fruit fly larva comes from its gut microbes
Microbes in the guts of fly larvae produce smells that attract fruit flies.
- Microbes
One giant leap for zit-causing microbes
A bacterium that lives on humans and causes acne also hopped to domesticated grapevines and relies on the plant for crucial DNA repairs.
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- Neuroscience
What’s behind rising autism rates
Better diagnosis may be driving a recent spike in autism.
- Life
Find your inner fish with PBS series on human evolution
A new documentary explores how the human body came together over 3.5 billion years of animal evolution.
- Health & Medicine
Triclosan aids nasal invasions by staph
The antimicrobial compound triclosan, commonly found in soaps and toothpaste, may help Staphylococcus aureus stick around.
- Genetics
Modern hunter-gatherers’ guts host distinct microbes
A healthy collection of gut bacteria depends on the environment in which people live and their lifestyle, research shows.
- Climate
Reef fish act drunk in carbon dioxide–rich ocean waters
In first test in the wild, fish near reefs that bubble with CO2 lose fear of predators’ scent.
- Oceans
The surprising life of a piece of sunken wood
Timber and trees that wash out to sea and sink to the bottom of the ocean hold a diverse community of organisms.
