Here’s What You Need to Know About Power Cuts at Two Ukrainian Nuclear Plants

The catastrophic disaster at the Chernobyl Nuclear Power Plant in 1986 was caused by an explosion at the Reactor 4 Unit. This expelled a sizeable quantity of radioactive material into the surroundings, alongside a partial meltdown of the reactor core. The last few decades have seen substantial international efforts to safely contain and decontaminate the … Read more

When Is It Safe to Have Sex after COVID?

Recently, my husband endured a mild case of COVID—a cough, a sore throat, some aches and fatigue. Fortunately, he is vaccinated and boosted, and he recovered quickly. On day 10 after infection, he produced a negative rapid antigen test. Cool! So when can we have sex? This, it turns out, is a more complicated question … Read more

An Asteroid Predicted to Hit Earth in 2023 Has Turned Out to Be Safe

Earlier this year, the discovery of a potentially hazardous asteroid took astronomers on a roller coaster ride. On 6 January 2022, astronomers at the Mount Lemmon Observatory in Arizona discovered an asteroid roughly 70-meters (230 ft) across. Based on their initial observations, it appeared this object – called ‘2022 AE1‘ – could potentially hit Earth on its next pass, on … Read more

Abortion Pills Are Very Safe and Effective, yet Government Rules Still Hinder Access

Ever since it was approved in 2000 as an abortion pill, mifepristone has been regulated as if it were a dangerous substance. The U.S. Food and Drug Administration required doctors to be specially certified to prescribe it. Patients had to sign an agreement confirming that they had been counseled on its risks. Most onerously, the … Read more

COVID Vaccines Can Be Safe for People with Prior Allergic Reactions

The Omicron-driven COVID surge has caused considerable upheaval during this pandemic winter. Despite the availability and efficacy of COVID vaccines, many people with a history of suspected allergies to the first mRNA COVID vaccine dose—reactions such as hives, swelling, shortness of breath and/or low blood pressure—have not gotten their full series. Their fear is understandable. … Read more

Almost No Coral Reefs in The World Will Be Safe at 1.5°C Warming, Scientists Warn

Coral reefs have long been regarded as one of the earliest and most significant ecological casualties of global warming. In new research published in the journal PLOS Climate, we found that the future of these tropical ecosystems – thought to harbor more species than any other – is probably worse than anticipated.   Climate change … Read more

NASA’s gamma-ray observatory is in safe mode after a possible wheel failure

A visualization of the Neil Gehrels Swift Observatory.  (Image credit: NASA) NASA’s Neil Gehrels Swift Observatory has temporarily stopped its science observations while the mission team investigates an issue. On Tuesday night (Jan. 18), the observatory, a gamma-ray hunting space telescope originally called the Swift Gamma-Ray Burst Explorer, went into safe mode and paused all … Read more

NASA’s InSight Mars lander awakens from ‘safe mode’ after Red Planet dust storm

A NASA spacecraft has safely emerged from a precautionary “safe mode” after an intense Martian dust storm. The solar-powered InSight lander, which is designed to study the interior of Mars, entered safe mode to save power on Jan. 7; it went back to “more normal operations” by Jan. 19, the mission said in a Twitter … Read more

We Have Breached The Safe Planetary Limit For Synthetic Chemicals, Scientists Warn

From sea to land to sky, Earth’s systems are contaminated with synthetic substances, and scientists warn it has already pushed the integrity of our planet over the brink. Today, there are about 350,000 human-made chemicals on the market, including plastics, pesticides, industrial chemicals, cosmetic chemicals, antibiotics, and other drugs.   The fact this number continues … Read more

SS Richard Montgomery: ‘Doomsday’ shipwreck will finally be made safe

By Mick Hamer The masts of the shipwrecked SS Richard Montgomery James Bell/Alamy Three masts sticking up above the waves near the coastal town of Sheerness in the UK mark the spot where a deadly wreck has been rusting for almost 80 years. They belong to the SS Richard Montgomery, a US second world war-era … Read more