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Early humans intentionally made baseball-sized spheres — and we're not sure why

Their purpose still remains a mystery

Footballers wearing jerseys with small numbers are rated as more slender than those wearing big numbers

Volunteers were asked to judge computer-generated images of players

Texas drought reveals dinosaur tracks dating back 100 million years

They are very well preserved and belong to two types of dinos.

Earth just had its hottest three months on record

Sea surface temperatures reached unprecedented levels amid much extreme weather

Invasive species cost the world half a trillion dollars every year

Invasive pests are increasingly getting out of hand -- and we're paying the price.

The shark side of the moon? Hammerheads mysteriously gather under the full moon

Study looks into this strange phenomenon happening in French Polynesia

Scientists believe an Earth-sized planet could be hiding in our own Solar System

It’s not the hypothesized giant Planet Nine

From concrete jungles to green havens: nature can help cities mitigate emissions

Study looks into implementing nature-based solutions in European cities

New AI can make 'zoom and enhance' satellite imagery, making it sharper and more useful

This could be a game changer for satellite monitoring.

Iceland resumes whaling, against the will of conservationists and its own people

A small country can make a big difference -- sometimes, it's not a positive difference.

You can grow trees that have been to the Moon. Here's how

It’s part of a project to connect space exploration with life on Earth.

Most US dog owners are hesitant about vaccines, including for lethal rabies

Baseless vacine skepticism has now extended to helpless pets.

Just 12% of Americans are responsible for eating half of all beef

Excessive beef consumption is not only bad for your health, but also hurts the environment.

Alcohol doesn't make other people look better. Turns out, it's liquid courage, not beer goggles

It's time to break some alcohol myths.

Want to fight climate change? Then fight poaching

Environmental problems go hand in hand.

Researchers unravel the mystery of how plants pass down genetic information across generations

This has implications way beyond just plants.

Here's why you probably shouldn't add bananas to your smoothie

Bananas in smoothies are not bad. But if you mix them with specific berries, you can have diminishing returns.

Heatwaves are becoming more frequent and deadly due to climate heating

Climate change is already causing major problems.

The new tool for helping coral reefs? Trees

Study finds biodiversity can be restored in degraded areas by using trees as reefs

Why India landing a spacecraft near the Moon's South Pole is such a historic moment

First images shared hours after the landing reveal a pockmarked surface

Fossil fuels subsidies rise to $7 trillion despite the harrowing climate crisis

Fossil fuels subsidies are fueling a fire that burns the world, but weaning off them is not easy.

Asian Americans have the highest exposure to toxic forever chemicals. Scientists aren't sure why

Study looks into the exposure to PFAS for different ethnic and racial groups.

We can probably start a Mars colony with only 22 people

The minimum number of people may be even lower — but only if the participants are mentally stable.

Turtle shells hold hidden information about nuclear contamination

Uranium signatures persist in their shells even decades after World War Two.

Clay brick is a time capsule of plants from over 2,900 years ago

This new study opens up the potential to study many ancient clay bricks in a new way.

Channeling anger could help us fight climate change

Want people to care about the climate? Make them angry.

Sabertooth cats, dire wolves, and other megafauna went extinct 13,000 years ago in California. Wildfire and humans may be to blame

Humans and fire were driving prehistoric animals out. Kind of like what's also happening now.

A simple mouth rinse could spot early heart disease risk

Yet another reason to take good care of your teeth.

New device uses wood dust to trap almost all microplastics in water

It’s at a lab stage but researchers think it could be scaled up easily and inexpensively

America’s wealthiest 10% is responsible for 40% of US polluting emissions

The study suggests adopting a carbon tax to tackle inequality

Good boy? Owners of recently adopted shelter dogs report behavior problems

Shelter dogs have been through a lot, and their new owners need to be patient.

Google Trends data can predict football player’s market value

People's interest in football players on Google correlates with their market value.

Dogs may be able to detect Covid-19 better than any common technology

Researchers looked into previous studies and found the idea is approaching scientific consensus.

“Planting” rocks in farms could help meet a key climate change target

Study looks into the potential of mixing crushed volcanic rocks into fields.

Spending money on irrigation really pays off amid climate change

Irrigation only works if it’s planned properly, though.

Solar power surges in Europe and is set to double by 2030

New report shows governments are updating their energy plans with more ambitious targets.

From plastic waste to cleaning power: researchers find way to upcycle plastics into soap

Study creates simple method to upcycle plastic

More than half of Earth's species live underground

Study looks at scientific literature and data sets on species living in soils

Pop Culture and Science: How Superheroes are Transforming Anatomy Lessons

Study finds linking the human body to special powers enhances student experience.

Air pollution could be causing more antibiotic resistance

Study suggests connection has increased over time and across every country.

The more you walk, the lower your risk of death – even if it’s not that much

Let's get moving!

Indigenous lands are choked by encroaching industry -- and renewable energy is not much better

Growing demand for food, energy and minerals is driving human activity into new landscapes

World’s oldest and fastest-evolving moss might not survive climate change

Researchers collected samples, studied its habitat and sequenced its genome.

The Trumpetfish is a master of disguise: it hides behind other, bigger fish to hunt

These fish hide everywhere. There could be one behind you right now.

Scientists create experimental Alzheimer’s vaccine that delays symptoms in mice

If proven successful in humans, it could be a big step forward.

Finally, some good news. Deforestation in the Brazilian Amazon plunges to six-year-low

Leaders of Amazonian countries will meet this week to protect the rainforest.

China zoo says its bears aren't people in bear costumes

It’s the smallest bear species in the world and one of the more adorable creatures you'll see.

Just Florida things? Leprosy is on the rise in Florida and it could even be endemic

It could be related to environmental factors, the researchers said

Canada starts printing smoking warnings on individual cigarettes to get people to stop

This makes it virtually impossible to avoid health warnings, the government said.

Don’t feel very productive on a Friday afternoon? Most people aren't

It's Friday, my dudes!