Life
- Life
Genetic tweak hints at why mammoths loved the cold
An altered temperature sensor helped mammoths adapt to the cold.
- Animals
Centipede discovered in caves 1,000 meters belowground
A newly discovered centipede species lives deep underground.
- Animals
Flatworm can self-fertilize by stabbing itself in the head
Hermaphroditic flatworms with hypodermic-style mating get sharp with themselves.
- Animals
Heat turns wild genetic male reptiles into functional females
Genetic male bearded dragons changed to females by overheating in the wild can still breed successfully.
- Life
Puzzling cosmic signals, processed food defined and more reader feedback
Readers sort out a definition for processed food, discuss the benefits of tinkering with human DNA and more.
- Climate
Pink salmon threatened by freshwater acidification
Ocean acidification gets more attention, but freshwater systems are also acidifying. That’s a problem for young salmon, a new study finds.
- Neuroscience
Old fruit flies’ swagger restored with brain chemical dopamine
Replenishing the chemical communicator dopamine to a handful of nerve cells makes old flies feel frisky again.
- Health & Medicine
Genetic tweak turned plague bacterium deadly
Two genetic changes allowed plague bacteria to cause deadly lung infections and pandemic disease.
- Neuroscience
Pain may come in his and hers
Males and females rely on different kinds of cells to carry pain signals, a mouse study suggests.
- Tech
New app creates a searchable network of species worldwide
A free new app compiles millions of records of species worldwide and allows users to add sightings.
- Life
Alison Jolly’s last book chronicles efforts to save lemurs
In ‘Thank You, Madagascar,’ primatologist Alison Jolly, who spent decades studying lemurs, provides an insider’s account of the struggles that conservationists face.
- Animals
For dwarf mongooses, handstands aren’t just good fun
Dwarf mongooses may use marks laid down in handstand positions to gather information on rivals, a new study shows.
