Neuroscience
A parasite that makes mice unafraid of cats may quash other fears too
The parasite Toxoplasma gondii can mess with all sorts of mice behaviors and make the rodents fearless in many situations.
Neuroscience
More Stories in Neuroscience
-
NeuroscienceIs taking birth control as a teen linked to depression? It’s complicated
As researchers sift through conflicting data, no clear answers emerge on whether birth control during teenage years can cause depression later.
-
Health & MedicineA dose of ketamine could lessen the lure of alcohol
Ketamine may weaken wobbly memories of drinking, a trick that might ultimately be useful for treating alcohol addiction.
-
Health & MedicineA protein helps disease-causing immune cells invade MS patients’ brains
Blocking the protein may hinder B cells invading the brain in multiple sclerosis, a study in mice and ‘stand-in’ human brain barriers finds.
-
NeuroscienceSome people with half a brain have extra strong neural connections
Brain scans of six people who had half their brains removed as epileptic children show signs of compensation.
-
Health & MedicineFull intestines, more than full stomachs, may tell mice to stop eating
A new description of stretch-sensing nerve endings in mice’s intestines could lead to ways to treat obesity.
-
NeurosciencePeople who lack olfactory bulbs shouldn’t be able to smell. But some women can
Some women who appear to lack the brain structures that relay scent messages still have an average sense of smell, and scientists have no idea how.
-
NeuroscienceSleep may trigger rhythmic power washing in the brain
Strong, rhythmic waves of cerebrospinal fluid wash into the human brain during sleep and may help clean out harmful proteins.
-
NeuroscienceLab-grown organoids are more stressed-out than actual brain cells
Compared with real brain tissue, organoids show big differences.
-
Health & MedicineAlgae inside blood vessels could act as oxygen factories
Two types of light-responsive algae make oxygen inside tadpoles’ blood vessels.