Articles by Theresa Machemer

Neurotoxins secreted by the algae Karenia brevis kill marine life including fish, dolphins and manatees

More Than 600 Tons of Dead Sea Life Wash Up on Florida Coast Amid Red Tide

Crews cleaned up nine tons of dead fish in just 24 hours after Tropical Storm Elsa pushed the fish toward shore

People lie on the ground to view the Perseid meteor shower in Rocky Mountain National Park in Colorado at an astronomy night event on August 12, 2018.

How to Watch the Perseid Meteor Shower

Known for its 'fireball' meteors, the Perseid shower began on July 14 and will peak in mid-August

Similar lunar and climate conditions led to increased flooding in 2015. Pictured, a car drives through high waters in Fort Lauderdale, Florida.

New Research

Moon's Wobbly Orbit and Rising Sea Levels Will Cause Record Flooding in the 2030s

Clusters of nuisance floods could have major impacts on businesses and public health

Via Getty: "An unofficial thermometer reads 133 degrees Fahrenheit at Furnace Creek Visitor Center on July 11, 2021 in Death Valley National Park, California."

Death Valley Records Hottest Average Temperature Over 24 Hours

The Stovepipe Wells weather station measured an average temperature of 118.1 degrees Fahrenheit on Sunday

Next, the Entomological Society’s Better Common Names project will put together working groups that include experts who study the species and people from the insect’s native regions to decide on a new name.

These Moths Will Be Renamed to Stop Use of an Ethnic Slur

The Entomological Society of America is taking suggestions to rename the insect previously called the 'gypsy moth'

A black widow spider hangs from its web.

Eight Fun Facts About Black Widows

The venomous spiders are nimble, secretive and dangerous

An undated photograph shows Wally Funk standing with a U.S. Air Force jet.

Trailblazing Pilot Wally Funk Will Go to Space 60 Years After Passing Her Astronaut Tests

Wally Funk, the youngest of the 'Mercury 13,' will join the inaugural crewed flight of Blue Origin’s New Shepard capsule

A researcher looks at Artemisia annua seedlings. The plant contains malaria-fighting compounds.

World Health Organization Certifies China as Malaria-Free

In the 1940s, the country recorded 30 million cases of malaria each year

Ancient DNA and proteins gathered from the specimen's bones and teeth revealed the presence of Yersinia pestis.

New Research

Oldest Strain of Plague Bacteria Found in 5,000-Year-Old Human Remains

Unlike the 'Black Death' in the 14th century, the ancient infection probably did not spread quickly between people

This transmission electron microscopic image shows the pandemic coronavirus SARS-CoV-2.

Covid-19

Over 20,000 Years Ago, a Coronavirus Epidemic Left Marks in Human DNA

The oldest modern coronavirus is about 820 years old, but humanity has been fighting similar viruses for millennia

CRISPR allows scientists to cut and insert small slices of DNA with precision, illustrated here.

Innovation for Good

Early Study Shows Promise of CRISPR Injection to Treat Rare Disease

Three people who received a high dose of the gene editing tool in a clinical study saw significant improvement in their condition

Trumpet players create about 2,500 aerosol particles per liter of air that flows through their instrument.

New Research

To Reduce Covid-19 Risks in Orchestras, Move Wind Instruments to the Sidelines

A study that simulated airflow and aerosol production in a concert hall suggests moving brass and woodwinds near air vents

Officials at the U.S. Centers for Disease Control and Prevention anticipate that Delta will become the dominant variant in the United States within the next few months.

Covid-19

Covid-19 Delta Variant Emerges as Primary Threat Around the World

A surge of cases in the United Kingdom suggests that Delta is the most transmissible variant yet identified

Like the newly-identified 2014 UN271, the NEOWISE comet pictured here is a long-period comet originating in the Oort Cloud.

Giant Comet From the Oort Cloud Will Pass by the Sun in 2031

Astronomers used about 40 observations of the object, which is called 2014 UN271, to estimate its size and orbit

Dried sea snot on the surface of the water can be so strong that seagulls can walk on it, and it can damage fishing boat motors.

Turkey Begins to Clean Smelly Sea Snot From Its Shores

The layer of marine mucilage threatens not only tourism and fishing boats but also creatures living in the Sea of Marmara

When a person uses the HiccAway to drink water, they have to suck about four times harder than if they were using a regular straw.

Innovation for Good

This Straw Is Designed to Instantly Cure Hiccups

The 'HiccAway' stopped cases of hiccups 92 percent of the time during an early trial

New genetic research suggests that the gray whale spotted off the coast of Namibia in 2013 originated in the western Pacific.

New Research

Gray Whale Breaks Migration Record With 16,700-Mile Journey

The whale, which is usually found in the northern Pacific Ocean, was spotted off Namibia in 2013

Samples gathered at Wells Beach, shown here, revealed that the mysterious brown substance was made up of millions of bug carcasses.

Millions of Microscopic Fly Carcasses Left Dark Stains on People's Feet at New England Beaches

The unusual event affected a 70-mile stretch of beaches from Massachusetts to Maine

Billions of cicadas have emerged across 14 states and Washington, D.C.

As Brood X Numbers Grow, Cicadas Interfere With Cars, Planes and Radar

Lawnmower-like singing isn’t the only way that these bugs have made themselves known

More than 200 bird species show anting behavior, which involves fanning their wings out on the ground and picking up insects, usually ants. But capturing a photo of the behavior is rare.

Photographer Captures Crow Taking an 'Ant Bath'

Over 200 bird species partake in 'anting,' but so far, the behavior is poorly understood

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