June 23, 2018View Digital Issue
Features
Feature
DNA testing has become a new way for millions of Americans to expand their family trees and learn something about themselves, but results vary widely.
Feature
A century after she published a groundbreaking mathematical theory, Emmy Noether gets her due.
Call to Action
Editor's Note
Editor in Chief Nancy Shute discusses physicist Emmy Noether and women being underrepresented in science fields.
Features
A century after she published a groundbreaking mathematical theory, Emmy Noether gets her due.
DNA testing has become a new way for millions of Americans to expand their family trees and learn something about themselves, but results vary widely.
News
Field experiments add vitamins to list of nutrients at risk from a changing atmosphere.
A space rock’s backward orbit could be a hint of unusual origins.
Neutrinos show up in greater numbers than expected in an experiment, possibly bolstering the idea of a fourth type of the particle.
Images from the New Horizons spacecraft reveal dunes on Pluto — but the sand-sized grains must have had an unusual boost to get moving.
CT scan reveals hidden identity of an unusual lizard fossil found years ago in the Italian Alps.
Hive-minded self-driving cars could curb traffic congestion and vehicle pollution.
Scientists found rain in the sun’s corona where they didn’t expect it, which could help solve the mystery of why the corona is so hot.
The arrest of a second murder suspect with the help of genetic genealogy raises worries that suspicionless searches may be next.
A tree-loving lifestyle became a risk for ancient birds in a world-changing catastrophe.
A new survey suggests that gun owners support many potential gun-control policies — now research on their efficacy needs to catch up.
The American Cancer Society recommends that colorectal screening begin at the age of 45 for average-risk individuals.
Alaskan glaciers retreated in time for ancient coastal entries of the first Americans.
Big reductions in heart attacks, strokes and deaths may be possible under 2017 blood pressure guidelines.
The XENON1T experiment saw no signs of hypothetical dark matter particles called WIMPs.
As in humans, female bonobos become helpers for mothers giving birth, data from captive apes suggest.
The crop plants defend themselves with zombie-maker wasps, but one pest has a desperate work-around.
Notebook
Telomere testing for consumers offers a poor measure of “biological age,” says Johns Hopkins oncologist Mary Armanios.
In a 15-year period, hotel swimming pools and water parks had the highest number of swimming-related disease outbreaks in the United States.
Despite an unverified discovery in 1968, spacetime ripples remained elusive for nearly 50 years.
Leaf-cutter ants struggle to carry wet leaves, so they run to avoid rain.
Reviews & Previews
Ancestry results vary widely depending on which company you use.
Letters to the Editor
Readers had questions about Bronze Age pendulum saws, dark matter, lazer tweezers and more.
Science Visualized
Nearly head-on collisions between icy moonlets might be responsible for the peculiar shapes of some of Saturn’s moons, computer simulations suggest.