
Nitrogen Execution Method Touted as More ‘Humane,’ but Evidence Is Lacking
A legal battle over nitrogen hypoxia, a new potential method of execution, raises ethical questions
Dana Smith is a freelance science writer specializing in brains and bodies. She has written for Scientific American, the Atlantic, the Guardian, NPR, Discover, and Fast Company, among other outlets. In a previous life, she earned a Ph.D. in experimental psychology from the University of Cambridge.

Nitrogen Execution Method Touted as More ‘Humane,’ but Evidence Is Lacking
A legal battle over nitrogen hypoxia, a new potential method of execution, raises ethical questions

AI Learns What an Infant Knows about the Physical World
A computer model simulating how objects react to physical forces approximates how babies understand their surroundings

A 630-Billion-Word Internet Analysis Shows ‘People’ Is Interpreted as ‘Men’
Gender bias turns up in the way we think of the most neutral of words

Where Are Genitals Represented in the Brain?
The homunculus of textbook fame still does not take into account the relevant locations in the cerebral cortex that process touch for the sex organs

Infants as Young as Two Months May Be Able to Detect Faces and Scenes
Baby-brain-scanning experiments fuel the debate over whether humans are born with these abilities

No Bones about It: People Recognize Objects by Visualizing Their “Skeletons”
This basic ability gives humans a leg up on computers

An AI System Spontaneously Develops Baby-Like Ability to Gauge Big and Small
On its own, the neural network seems to recap a process experienced by human infants

Anti-Aging Discovery Could Lead to Restorative Skin Treatments
Loss of collagen protein depletes renewal cells that serve as skin’s fountain of youth

The Wisdom of Crowds Requires the Political Left and Right to Work Together
Collaborations between followers of opposing ideologies lead to less biased, higher quality Wikipedia pages

Susceptibility to Mental Illness May Have Helped Humans Adapt over the Millennia
Psychiatrist Randolph Nesse, one of the founders of evolutionary medicine, explains why natural selection did not rid our species of onerous psychiatric disorders

New App Uses Sonar to Detect Opioid Overdoses
The technology utilizes smartphone speakers and microphone to monitor breathing

More Than a Third of Female Suicides Are Committed by Indian Women
The disturbingly high rate may arise from a disconnect between women’s ambitions and societal expectations, experts say

Neuroscientists Make a Case against Solitary Confinement
Prolonged social isolation can do severe, long-lasting damage to the brain

How Marijuana Harms a Developing Baby’s Brain
Three studies in rodents suggest prenatal exposure to the drug may pose risks for infants

Big Data Gives the “Big 5” Personality Traits a Makeover
An analysis of 1.5 million people tries to more accurately categorize people’s character traits

An Entirely New Type of Antidepressant Targets Postpartum Depression
A novel drug is intended to help women who suffer from depression after childbirth

Global Warming Linked to Higher Suicide Rates across North America
A 1-degree Celsius rise corresponded to a 1.4 percent increase in suicides

The Placenta Is Now a Suspect In Heightening Schizophrenia Risk
Genes and pregnancy problems combine to increase significantly the likelihood of developing schizophrenia

Daydreaming May Help You Become More Socially Adept
New research explains why relationships take up so much of our mental energy

At What Age Does Our Ability to Learn a New Language Like a Native Speaker Disappear?
Despite the conventional wisdom, a new study shows picking up the subtleties of grammar in a second language does not fade until well into the teens

Sound Awake: “Noisy” Neurons May Repeatedly Disrupt Your Sleep
Study proposes novel sleep theory, but whether it can explain infant death syndrome remains less clear

Brain “Pacemaker” Could Help You Remember Only What You Might Forget
An implant is the latest development in research on neural stimulation to boost cognition

How to Hack an Intelligent Machine
AI scientists try to trick smart systems into making dumb gaffes

Parents in a Remote Amazon Village Barely Talk to Their Babies—and the Kids Are Fine
Ignoring a Western child-rearing practice does not seem to matter for the Tsimané of Bolivia