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Large-scale wildfires seem to turn visitors away, while prescribed burning may have the opposite effect. Helen H. Richardson/MediaNews Group/The Denver Post via Getty Images

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Fire is transforming the US West’s public lands – research shows overlooked cost to recreation

Staff Writer - May 6, 2026

This screenshot juxtaposes a fossil of stem from the plant Archaeopitys eastmanii (bottom) and a close-up of its vascular system (top). The specimen was found in Kentucky and is over 350 million years old. Ingrid C. Romero, CC BY-SA

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Galaxies of life are collecting dust in museums – digitizing microscope slides can uncover billions of fossils for natural history

A pregnant mother with untreated syphilis can pass it to the unborn fetus. Halfpoint Images/Moment via Getty Images

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Syphilis cases in expectant mothers have dramatically risen since the pandemic – here’s what’s driving the trend

The new federal classification of marijuana regulates only medical use; recreational use is still determined by state laws. tvirbickis/iStock via Getty Images Plus

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Reclassification of marijuana opens doors for much‑needed medical research into the benefits and risks of the drug

An artisanal miner holds a cobalt stone at a mine near Kolwezi, Congo, in 2022. About 20,000 people work there among toxic materials. Junior Kannah/AFP via Getty Images

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The race to mine critical minerals for AI and clean energy is creating ‘sacrifice zones’ that harm water and health of world’s poor

A satellite image from Aug. 13, 2024, shows an algal bloom covering approximately 320 square miles (830 square km) of Lake Erie. By Aug. 22, it had nearly doubled in size. NASA Earth Observatory

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Toxic algae blooms are lasting longer in Lake Erie − why...

Staff Writer - June 28, 2025

Yellowcake is a concentrated form of mined and processed uranium. Nuclear Regulatory Commission, CC BY

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Uranium enrichment: A chemist explains how the surprisingly common element is...

Staff Writer - June 26, 2025

Neutrophils (yellow) eject a NET (green) to ensnare bacteria (purple). Other cells, such as red blood cells (orange), may also get trapped. CHDENK/Wikimedia Commons, CC BY-SA

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Mitochondria can sense bacteria and trigger your immune system to trap...

Staff Writer - June 25, 2025

Is this visitor to Antarctica going crazy or having a good time? Tim Bieber/Photodisc via Getty Images

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At Antarctica’s midwinter, a look back at the frozen continent’s long...

Staff Writer - June 22, 2025

Getting enough sleep is one of the most effective ways to restore metabolic balance in the brain and body. SimpleImages/Moment via Getty Images

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Sleep loss rewires the brain for cravings and weight gain –...

Staff Writer - June 16, 2025

The Advisory Committee on Immunization Practices played a key role in the rollout of COVID-19 vaccines. Frederic J. Brown / AFP via Getty Images

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RFK Jr’s shakeup of vaccine advisory committee raises worries about scientific...

Staff Writer - June 15, 2025

Being excluded isn’t easy, but it does teach you about other people. Alistair Berg/DigitalVision via Getty Images

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Your brain learns from rejection − here’s how it becomes your...

Staff Writer - June 9, 2025

The Great Barrier Reef stretches for 1,429 miles just off Australia’s northeastern coast. Auscape/Universal Images Group via Getty Image

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Coral reefs face an uncertain recovery from the 4th global mass...

Staff Writer - June 7, 2025

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EXPLORING NATURE

Pope Leo XIV arrives to celebrate Mass at the Malabo stadium in Malabo, Equatorial Guinea, on April 23, 2026, on the last day of his 11-day pastoral visit to Africa. AP Photo/Misper Apawu

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‘Just war’ has guided Catholic thinking on conflict for centuries –...

Staff Writer - April 26, 2026

Valerie Morkevičius, Colgate University Since the beginning of the Iran war, Pope Leo XIV has frequently called for peace,...

A striking 51.7% of Gen Z respondents ranked casket burial as their first choice, compared with just 27.1% of baby boomers. Ashley Cooper/The Image Bank via Getty Images

Boom in cremation hides surprising truths about what Americans really want...

April 24, 2026

Seagrass has made an unexpected return to Mosquito Lagoon. Captain William B. Wolfson, Grassroots Guide Service, New Smyrna Beach, FL

Hurricanes devastated Florida’s East Coast – then seagrass made an unexpected comeback

April 22, 2026

A German security guard checks for radiation after the Chernobyl accident in April 1986. Patrick Piel/Gamma-Rapho via Getty Images

Chernobyl at 40: Secret Stasi files reveal extent of Soviet misinformation...

April 22, 2026

A long-running experiment is testing tree mixes to develop the healthiest forests. Mickey Pullen/Smithsonian Environmental Research Center

Don’t just plant trees, plant forests to restore biodiversity for the future

April 21, 2026