Life
A distant cousin of jellyfish may survive without working mitochondria
A tiny creature that parasitizes salmon is the first known multicellular eukaryote without a mitochondrial genome, a hallmark of complex life.
Life
More Stories in Life
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LifeA new lizard parasite is the first known to move from mom to baby
Nematodes were found living in a lizard’s ovaries and the braincase of her embryos — the first evidence of a reptile parasite that jumps generations.
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AnimalsOne blind, aquatic salamander may have sat mostly still for seven years
Olms may live for about century and appear to spend their time moving sparingly.
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NeuroscienceLiving brain tissue experiments raise new kinds of ethical questions
An ethicist describes the quandaries raised by working with tissue involved in human awareness.
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LifeMicrobiologists took 12 years to grow a microbe tied to complex life’s origins
Years of lab work resulted in growing a type of archaea that might help scientists understand one of evolution’s giant leaps toward complexity.
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Health & MedicineCoronavirus’s genetic fingerprints are used to rapidly map its spread
Fast and widespread scientific data sharing and genetic testing have created a picture of how the new coronavirus spreads.
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AnimalsSnakes suffered after a frog-killing fungus wiped out their food
A frog-killing fungus that swept through Panama had a hidden effect. A new study finds that snake diversity declined post-fungus at one field station.
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AnimalsJellyfish snot can sting swimmers who never touch the animal
Researchers have found mobile cellular blobs coated with stinging cells in mucus from a jellyfish that sits upside-down on the seafloor.
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AnimalsWith a litter of tactics, scientists work to tame cat allergies
New research may reduce the allergen levels of house cats or make people less reactive to our feline friends.
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HumansSome West Africans may have genes from an ancient ‘ghost’ hominid
A humanlike population undiscovered in fossils may have passed helpful DNA on to human ancestors in West Africa starting as early as 124,000 years ago.