WATER WOES For years, residents in Flint, Mich., have had to rely on bottled water from water pickup sites (one shown) after corroded city pipes sent lead levels in tap water skyrocketing.
USDA/Flickr
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Magazine
In the July 7 SN: The impact hypothesis that won’t die, CAR-T cell therapy upgrades, bad news for Antarctica, a quoll conundrum, honeybees know zero, how volcanoes kill, Jupiter’s polar lightning and more.
Body & Brain
Topic Image Rail
PUT TO THE TEST President Donald Trump and White House physician Ronny Jackson shake hands after Trump’s annual physical, which included a test that screens for early signs of dementia.
SAUL LOEB/AFP/Getty Images
THE CLEAN CYCLE Lack of sleep may contribute to Alzheimer’s disease by robbing the brain of the time it needs to wash away sticky proteins.
Michael Morgenstern
Body & Brain
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Clinical Trials
News
Scared of heights? This new VR therapy could help
Virtual reality may be good training ground for facing your fears in real life.Science TickerEbola vaccine proves effective, final trial results show
The Ebola vaccine rVSV-ZEBOV proved effective at stopping the spread of the virus in a clinical trial in West Africa. -
Biomedicine
Feature
The brain may clean out Alzheimer’s plaques during sleep
Sleep deprivation may speed up development of Alzheimer’s disease.Reviews & Previews
‘Aroused’ recounts the fascinating history of hormones
The new book "Aroused" demystifies hormones, the chemicals that put the zing into life. -
Neuroscience
News
Pregnancy depression is on the rise, a survey suggests
Women today may be at greater risk of depression during pregnancy than previous generations.News in Brief
Vaginal microbes in mice transfer stress to their pups
During birth, microbes from a stressed mouse mother can carry some aspects of stress to her offspring. -
Nutrition
News
The small intestine, not the liver, is the first stop for processing fructose
In mice, fructose gets processed in the small intestine before getting to the liver.Year in Review
Worries grow that climate change will quietly steal nutrients from major food crops
Studies show that rice, wheat and other staples could lose proteins and minerals, putting more people at risk of hunger worldwide. -
Mental Health
News
Most football players who donated their brains to science had traumatic injury
A self-selected sample of 202 deceased football players, the largest to date, finds that the majority suffered from chronic traumatic encephalopathy.News
Autism, ADHD risk not linked to prenatal exposure to antidepressants
Taking antidepressants during pregnancy does not increase the risk of autism or attention-deficit/hyperactivity disorder, two new large studies suggest. -
Cancer
News
Cancer cells engineered with CRISPR slay their own kin
Scientists can program the stealth cells to die before creating new tumors.Feature
How to make CAR-T cell therapies for cancer safer and more effective
CAR-T cell therapy was approved by the FDA in late 2017. Now, scientists are working to tame the cancer treatment’s side effects. -
Human Development
Feature
How to build a human brain
Organoids, made from human stem cells, are growing into brains and other miniorgans to help researchers study development50 Years Ago
50 years ago, folate deficiency was linked to birth defects
50 years ago, scientists found that a lack of folic acid in pregnant women could cause birth defects. But now, how much is too much? -
Health
Reviews & Previews
‘The Poisoned City’ chronicles Flint’s water crisis
A new book examines how lead ended up in Flint’s water and resulted in a prolonged public health disaster.Science TickerPublicity over a memory test Trump took could skew its results
Many media outlets reporting on President Trump’s cognitive assessment test could make it harder for doctors to use the exam to spot dementia.
