To reduce the risk of contracting and spreading Omicron, experts offer the same proven advice as they do against all Covid-19 variants: social distancing, masking, and getting vaccinated and boosted.

What Experts Do and Don't Know About the Omicron Covid-19 Variant

Scientists have dubbed Omicron a “variant of concern,” but warn against panic

Experts aren’t recommending one jab over the other, instead advising individuals to make the decision be made based on personal factors.

CDC Panel and FDA Authorize Covid-19 Boosters for All Adults

Americans 18 and older will be eligible for a booster shot of their choice, pending approval from CDC Director Rochelle Walensky

Spider keeper Jake Meney holding the "megaspider" that was donated to the Australian Reptile Park.

This Australian Zoo Is Milking Its Giant Funnel Web Spider to Make Lifesaving Antivenom

The Australian Reptile Park says the arachnid—nicknamed 'Megaspider'—is the largest individual of this species they've ever seen

Rising water sent arachnids like the Arabian fat-tailed scorpion fleeing into local villages.

Scorpions Swept Into Egyptian Homes by Floods Sting More Than 500 People

Rising water following a rare storm in Aswan forced the arachnids out of their underground burrows in search of dry land

Scientists counted more than 10,000 teeth to find out how quickly the fish regrows its lost chompers.

This Fish Loses and Regrows 20 Teeth Each Day

The Pacific lingcod replaces its 500-plus teeth at a rapid pace, according to new research

The special lobster will spend the rest of her life at the Seacoast Science Center in Rye, New Hampshire.

Rare 'Cotton Candy' Blue Lobster Is a 1-in-100 Million Catch

The crustacean's bizarre blue hue could be due to genetics or diet

Heavy rainfall in China this summer led to severe flooding—something more cities are dealing with as the warming climate affects the intensity and frequency of precipitation.

This New Tool Lets You See Floods From Around the World, Dating Back to 1985

An innovative interactive map could aid future disaster planning, especially for vulnerable countries in the developing world

A new study from Japanese researchers found that a stationary cat can track its owner's location by their voice. 

Your Cat May Know Where You Are Even When They Can't See You

New research suggests domesticated cats keep a 'mental map' of their owner's location, an ability previously unknown in felines

If regulators approve the request, roughly 181 million fully vaccinated Americans will be able to get an additional jab.

Pfizer Asks FDA to Expand Booster Eligibility to All Adults

Experts are optimistic the request will be granted before the winter holiday season

When the queen dies, Jerdon's jumping ants duel to select their next leader.

A Single Protein Can Switch Some Ants From a Worker Into a Queen

Changing the expression of a one protein in the brains of Jerdon's jumping ants is enough to launch the biological transition

If humans want to establish a long-term presence on Mars, the ability to grow food in the planet’s harsh conditions is key.

Heinz Debuts 'Marz Edition' Ketchup Made With Tomatoes Grown in Mars-Like Conditions

Scientists grew the tomatoes under the same temperature and water levels found on the surface of the Red Planet

Though experts emphasize that vaccines are the primary defense against Covid-19, antiviral medicines could be another tool that doctors can use reduce the severity of infections, especially for high-risk Americans.

Pfizer Says Covid-19 Pill Cuts Hospitalization and Death Risk by Nearly 90 Percent

Though vaccines are still the best line of defense against the virus, the antiviral drug could help high-risk Americans once symptoms appear

The 17-pound spud could earn the top spot in the Guiness Book of World Records.

At 17 Pounds, 'Doug' the Ugly Potato Could Be the World’s Biggest Spud

Colin and Donna Craig-Brown of New Zealand named the giant tuber and have been taking it for walks

Carbon emissions from burning fossil fuels fell more than 5 percent last year but jumped back up in 2021.

Global CO2 Emissions Have Returned to Near Pre-Pandemic Levels

A new report shows carbon emissions from burning fossil fuels jumped by more this year than they fell during 2020

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Why Do Dogs Tilt Their Heads? New Study Offers Clues

The adorable behavior may be a sign of concentration and memory recall

Results from clinical trials show Pfizer’s vaccine was around 91 percent effective in preventing symptomatic Covid-19 infections in kids ages 5 to 11.

CDC Recommends Pfizer's Covid-19 Vaccine for Children Ages 5 to 11

About 28 million kids are immediately eligible for the safe and effective lower-dose vaccine

The recent decision expands vaccine eligibility to roughly 28 million American children.

FDA Authorizes Pfizer's Covid-19 Vaccine for Kids 5 to 11

The lower-dose vaccine could be administered as soon as this Wednesday, pending CDC approval

The CDC added mental health disorders to the list of primarily physical conditions that increase the risk of Covid-19 hospitalization or death. 

The CDC Adds Mental Health Conditions to High-Risk Covid-19 List

The addition of mood disorders expands the list of Americans eligible for booster shots by millions

Artists paint a mural near the Scottish Events Centre, which will be hosting the Climate Summit starting October 31 in Glasgow, Scotland. 

Five Important Questions About COP26 Answered

Representatives from nearly 200 nations are expected to meet and report on climate change promises made in the Paris Agreement

Those currently eligible for a booster shot include older and high-risk recipients of the Pfizer and Moderna jabs, and those who received the one-shot Johnson & Johnson vaccine.

Mixing and Matching Covid-19 Vaccines Could Impact Immunity

Because public health officials aren’t recommending one booster shot over another, individuals are left to make a choice based on personal factors

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