Will Sullivan

Will Sullivan

 

Will Sullivan is a science writer based in Washington, D.C. His work has appeared in Inside Science and NOVA Next.

A fruit fly sits on a grape. Adult fruit flies are typically only a few millimeters long.

See the First Complete Map of an Insect's Brain

Over 12 years, scientists charted more than 3,000 neurons and the nearly 550,000 connections between them in a larval fruit fly

In the study, members of bee colonies mimicked the strategy of a "demonstrator" bee, which had been trained to open a puzzle box in a specific way.

Bumblebees Learn to Open Puzzle Boxes From Each Other

New findings might suggest the insects have a capacity for culture, researchers say

Two dogs walk around the abandoned city of Pripyat, Ukraine, in 2022, near the site of the 1986 Chernobyl nuclear disaster.

Why Scientists Are Studying the Stray Dogs Living at Chernobyl

A new study is a first step toward understanding how radiation exposure might affect DNA

The Malalmuerzo Cave in southern Spain, where archaeologists uncovered the fossilized teeth of an ancient hunter-gatherer.

Ancient DNA Sheds Light on Europe's Hunter-Gatherers

Researchers looked at the genomes of several hundred people who lived before, during and after the last ice age

An illustration of Tillyardembia, an earwig-like insect that may have pollinated non-flowering plants some 280 million years ago.

Scientists Discover Oldest Known Fossils of Pollen-Carrying Insects

It’s unclear whether the creatures were pollinating prehistoric plants or just getting a snack

The astronauts launch into space at 12:34 a.m. Eastern time on Thursday. They'll join seven other astronauts aboard the ISS, before four others return to Earth in a few days. 

Four Astronauts Arrive at the International Space Station

Despite a launch delay and docking issue, the space travelers are now onboard the orbiting laboratory

The artificial sweetener erythritol is widely used a sugar substitute. 

Artificial Sweetener Tied to Risk of Heart Attack and Stroke, Study Finds

Erythritol was not proven to cause these health problems, but some experts recommend limiting intake

Some scientists think that Earth's inner core is actually made up of two similar but distinct layers.

Scientists Find Evidence of Another Core Within Earth's Center

The newly proposed layer might have a different structure from the rest of the inner core

Dog waste bags outside a park in Queens, New York. The maximum fine for not picking up your dog's waste in New York City is $250.

Shoes Carry Poop Bacteria Into NYC Buildings, Study Finds

With "absolutely astonishing" amounts of fecal bacteria on city sidewalks, an expert recommends removing shoes before entering homes

An image taken through a microscope of bone marrow tissue. To cure the patient of HIV, researchers destroyed his bone marrow cells and gave him a donation of stem cells with an HIV-resistant mutation.

Patient Cured of HIV After Stem Cell Transplant, Researchers Say

He is at least the third person cured in this way, which would likely be too risky for patients who don’t also have cancer

A video screenshot from the U.S. National Transportation Safety Board showing the site of the derailed train.

Dead Fish and Chemical Smells Plague Ohio Community Two Weeks After Train Derailment

Health department officials will establish a clinic for residents experiencing symptoms

The DuPage County Health Department in Illinois made Narcan available for free from a vending machine at the Kurzawa Community Center last year. Health deparments in the U.S. have tried to reduce opioid overdose deaths by making the overdose-reversing treatment more widely available.

Opioid Overdose Treatment Might Soon Be Available Over the Counter

An FDA panel recommended the lifesaving nasal spray be distributed without a prescription

The experimental treatment inhibits an enzyme that is needed for sperm to move.

Male Birth Control Drug 'Stops Sperm in Their Tracks' in Study of Mice

The drug served as a quick-acting, temporary contraceptive with no noticeable side effects, researchers say

A reconstruction of a painted fresco depicting the Battle of Kadesh between the Egyptian Empire and the Hittite Empire.

Severe Drought May Have Contributed to the Decline of the Hittites

The empire abruptly vanished around 1200 B.C.E., and ancient tree rings suggest climate played a role

Dead aspen trees, shrunken by drought, wither near Grant Lake in California last October.

California Lost 36 Million Trees to Drought Last Year

The die-off is expected to continue despite this winter’s rain storms

The moon contains lots of dust, which scientists say could help block some sunlight from reaching Earth, cooling the planet.

Launching Dust From the Moon Could Help Cool Earth, Scientists Say

Proposals to fight climate change by blocking sunlight aren’t new, but some experts argue the answer lies closer to home

Personnel bury pelicans that may have died from avian flu in Lima, Peru, on December 7, 2022. At least 585 seals and 55,000 birds have been found dead in Peru, likely due to avian flu.

As Bird Flu Spreads to Mammals, Health Officials Urge Caution

Transmission between minks has called attention to the potential risks to humans, though experts say not to panic

Artist's concept of a spacecraft that will test a nuclear thermal rocket engine.

Nuclear-Powered Rockets Might One Day Carry Astronauts to Mars

NASA and DARPA are building a nuclear thermal rocket engine that could slash the time it would take to reach the Red Planet

An enhanced-contrast image of Jupiter and its moon Ganymede taken by NASA's Cassini spacecraft in 2000.

Jupiter Reclaims Title of Planet With the Most Moons

After the discovery of 12 new moons, the gas giant now has 92 known natural satellites—and scientists expect to find more

Smoke rises from the derailed train cars on Saturday, February 4.

Train Cars Carrying Toxic Chemicals Derail in Ohio

Black smoke rose from the site as officials released and burned chemicals to avert a potentially deadly explosion

Page 18 of 24