April 27, 2019 | Science News

Support Science Journalism

Science News is a nonprofit.

Support us by subscribing now.

April 27, 2019View Digital Issue

Editor's Note

Editor in Chief Nancy Shute discusses the first-ever image of a black hole and what can be done to help young children with anxiety.
By Nancy Shute | April 23, 2019
Magazine issue: Vol. 195, No. 8 , April 27, 2019 , p. 2

Features

Trichomonas vaginalis

Feature

Scientists are working out how Trichomonas vaginalis, one of the most prevalent sexually transmitted infections, causes problems in women and men.
anxious child

Feature

Researchers are seeking ways to break the link between preschool worries and adult anxiety.

Call to Action

SUPPORT SCIENCE NEWS

Science News is a nonprofit.

Help us keep you informed.

Editor's Note

Editor in Chief Nancy Shute discusses the first-ever image of a black hole and what can be done to help young children with anxiety.

Features

Trichomonas vaginalis
Scientists are working out how Trichomonas vaginalis, one of the most prevalent sexually transmitted infections, causes problems in women and men.
anxious child
Researchers are seeking ways to break the link between preschool worries and adult anxiety.

News

supermassive black hole at M87
Astronomers used a network of telescopes around the world to take a picture of the supermassive black hole in the galaxy M87.
person on dialysis
Bioengineered blood vessels could provide a safer alternative than donor vessels or synthetic implants.
ALMA telescope
Here’s how scientists connected eight observatories across the world to create one Earth-sized telescope in order to create an image of a black hole.
mossy red-eyed frogs
Losses due to the amphibian-killing chytrid fungus are “the greatest documented loss of biodiversity attributable to a pathogen,” researchers find.
Saturn's rings
Moons located among Saturn’s inner rings are different colors depending on their distance from the planet, suggesting they’re picking up ring debris.
Denisova Cave
A new fossil and evidence that the hominids interbred with humans as recently as 15,000 years ago only add to Denisovans’ mystery.
car engine
A new type of tiny machine harnesses quantum physics to produce more power than a normal engine, under certain conditions.
fish fossil at Tanis site
North Dakota fossils may depict the aftermath of the dinosaur-killing asteroid, but controversial claims about the breadth of the find are unproven.
Kuiper Belt
Bits of space debris that collect in Earth’s atmosphere may come from as far as the cold, distant Kuiper Belt region beyond Neptune.
sperm heading for an egg
An analysis of semen from men whose partners have experienced multiple miscarriages revealed abnormalities, a small study finds.
older man exercising
Memory improvements after a short bout of exercise mirrored those seen after months of training.
jelly fossils
A new treasure trove of Cambrian fossils in China dating to 518 million years ago could rival Canada’s Burgess Shale.
rhesus macaque
Frozen testicle tissue samples from prepubescent monkeys transplanted back onto those monkeys once they matured produced sperm.
Pumpkin toadlets are the first frogs found to have fluorescent bony plates that are visible through their skin under ultraviolet light.
Hyksos palace ruins
Dental evidence suggests female Hyksos immigrants married into power.
Antarctic Peninsula
Antarctica’s coasts get most of their snow from just a few big storms each year.
mosquito
A long-sought protein proves vital for mosquitoes’ ability to detect lactic acid, a great clue for finding a human.
person sleeping
Overnight seizures seemed to muddle memories in people with epilepsy.
proton spin
Pinning down the source of protons’ spin is surprisingly hard to do.

Notebook

periodic table illustration
A conflict known as the Transfermium Wars marked a contentious struggle over the search for new elements beginning in the 1960s.
fentanyl
Packing overdose medication into nanoparticles could help it better counteract dangerous synthetic opioids.
astrolabe
A navigational device for taking altitudes at sea was found in a Portuguese shipwreck in the Arabian Sea and dates back to 1496.

Reviews & Previews

Tyrannosaurus rex
“T. rex: The Ultimate Predator,” a new exhibit in New York City, draws on the latest science to provide a fresh look at Tyrannosaurus rex and its relatives.
neutrophils
The lives of four people helped or harmed by their body’s natural defenses illustrate why immunology has become one of the hottest fields in science.

Letters to the Editor

Readers had questions about NASA’s Opportunity rover, pollen shapes and more.

Science Visualized

Anomalocaris
Troves of Cambrian fossils are known at more than 50 places around the world. Here are five standout spots.