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What is déjà vu? Psychologists are exploring this creepy feeling of having already lived through an experience before

Curious Kids is a series for children of all ages. If you have a question you’d like an expert to answer, send it to curiouskidsus@theconversation.com.

Why do people experience déjà vu? – Atharva P., age 10, Bengaluru, India

Have you ever had that weird feeling that you’ve experienced the same exact situation before, ...Read more

Hurricane Ian capped 2 weeks of extreme storms around the globe: Here's what's known about how climate change fuels hurricanes

When Hurricane Ian hit Florida, it was one of the United States’ most powerful hurricanes on record, and it followed a two-week string of massive, devastating storms around the world.

A few days earlier in the Philippines, Typhoon Noru gave new meaning to rapid intensification when it blew up from a tropical storm with 50 mph winds ...Read more

MATIAS J. OCNER/Miami Herald/TNS

What we know -- and don't -- about how climate change impacts hurricanes like Ian

MIAMI — It’s a question that follows any natural disaster, especially monster hurricanes like Ian: Was this caused by climate change?

When asked, scientists like Kevin Reed usually push back. Most researchers agree it’s not valid to point to a single storm and say it was “caused” by the warming world. Too many variables.

“That is a...Read more

Angelica Edwards/Tampa Bay Times/TNS

Editorial: No, it's not too soon. After Hurricane Ian, it's time to say 'climate change,' Gov. DeSantis

When Gov. Ron DeSantis referred to a “biblical storm surge,” he was assessing Hurricane Ian’s damage and, unknowingly, prophesying what’s to come in future years and decades in Florida.

Ian displayed many of the characteristics scientists say climate change will bring — and already has brought — to hurricanes because of warmer ocean...Read more

Tom Hansch/Dreamstime/Dreamstime/TNS

Raccoons are criminal masterminds, but which are more mischievous? Researchers now know

What personality and behavior traits make raccoons more highly skilled bandits in urban areas? That’s the question a team of researchers in Wyoming set out to investigate.

Researchers trapped and tagged 204 wild raccoons in Laramie, Wyoming, between August 2015 and September 2019, according to a study published in the Journal of Experimental ...Read more

Allen J. Schaben/Los Angeles Times/TNS

Company responsible for California oil spill gets permission to repair pipeline

LOS ANGELES — The Houston-based company operating the oil pipeline that ruptured off Huntington Beach last fall announced Saturday that the government has green-lighted its plans to repair the pipeline, raising the possibility it will be operational again early next year.

In a press release, Amplify Energy Corp. said the U.S. Army Corps of ...Read more

Summer swimming season may be over, but you can still get swimmer's ear – and you don't even need to go in the water

Many forms of ear infections strike children and adults alike, but among the most common is acute otitis externa, also known as swimmer’s ear.

About 10% of Americans will experience swimmer’s ear during their lifetimes. Adults are affected more commonly, and children only rarely, generally ages 5 to 12.

But you don’t ...Read more

What is a wetland? An ecologist explains

Wetlands are areas of land that are covered by water, or have flooded or waterlogged soils. They can have water on them either permanently or for just part of the year.

Whether it’s year-round or seasonal, this period of water saturation produces hydric soils, which contain little or no oxygen. But this doesn’t mean that they are ...Read more

Abdul Majeed/AFP/Getty Images North America/TNS

Commentary: Climate change is nudging us toward the next pandemic

The threat of climate change conjures certain scenes: Smoke billowing from a forest aflame. Smothering heat clinging to the distorted asphalt of a densely packed street. Glaciers breaking off into a rising sea. Another scenario should be equally terrifying but is harder to envision: a virus leaving the animal that has played blind host for an ...Read more

Indigenous defenders stand between illegal roads and survival of the Amazon rainforest – elections in Brazil and Peru could be a turning point

The Ashéninka woman with the painted face radiated a calm, patient confidence as she stood on the sandy banks of the Amonia River and faced the loggers threatening her Amazonian community.

The loggers had bulldozed a trail over the mahogany and cedar saplings she had planted, and blocked the creeks her community relied on for ...Read more

Amazon/Amazon/TNS

From sleep habits to pets, Amazon devices are learning more. Much more

Amazon is using tech to get even closer to its customers.

It introduced a new sleep tracker, Halo Rise, that learns breathing patterns and senses room conditions to help users optimize sleep. Astro, its home robot, will soon be able to recognize doors, windows, pets and furniture in a user's home.

A new iteration of Blink, its home-security ...Read more

Builder of quantum computers opens research and development facility in Boulder

Atom Computing, a California-based startup that builds quantum computers, opened its largest research and development facility in Boulder on Wednesday.

The new location marks a win for Colorado’s growing quantum industry, which is centered around the Denver-Boulder area. Other players in the market include Boulder-based ColdQuanta, Quantum ...Read more

Southern resident orca pod falls to lowest number in 46 years

SEATTLE — Only 73 southern resident orcas that live along the coast of Oregon, Washington and British Columbia remain as of July 1, according to the latest census from the Center for Whale Research.

In the last year, three whales died — K21, K44 and L89. Meanwhile, two calves were born in February and April.

The census found the L pod, ...Read more

Why is Russia sending oil and gas workers to fight in Ukraine? It may signal more energy cutoffs ahead

Russia’s effort to conscript 300,000 reservists to counter Ukraine’s military advances in Kharkiv has drawn a lot of attention from military and political analysts. But there’s also a potential energy angle.

In its call for reservists, Russia’s leadership specifically targeted oil and gas workers for the draft. One might ...Read more

We tend to underestimate our future expenses – here's one way to prevent that

The Research Brief is a short take about interesting academic work.

When asked to estimate how much money they would spend in the future, people underpredicted the total amount by more than C$400 per month. However, when prompted to think about unexpected spending in addition to typical expenses, people made much more accurate ...Read more

NINTENDO/NINTENDO/TNS

Review: ‘Splatoon 3’ finally puts it all together in Nintendo’s best take on shooters

“Splatoon” has been Nintendo’s most successful original franchise of the past 10 years. It’s a series that came out of necessity as the rise of competitive shooters left the company with a hole in its gaming portfolio. Nintendo needed to fill it, but the big question was: How would the developers create a family-friendly shooter and ...Read more

Billy Blume/Dreamstime/TNS

Five dangerous social media challenges including the deadly ‘Blackout’ stunt

Cold medicine, milk crates and even laundry detergent: These may seem like everyday household products to most of us but they have featured in viral social media challenges in the past few years.

These are the five most dangerous stunts:

Blackout challenge

Probably the most deadly of them all, the “blackout challenge” entails cutting ...Read more

Rossman, James/Jim Rossman/TNS

Jim Rossman: No, you really don’t need to run antivirus software

This week a reader had a question is about antivirus software.

“I recently replaced my 12-year-old computer with my granddaughter's 3-year-old gaming desktop when she updated to a new device.

Question: My granddaughter used Windows Defender for protection, as her opinion is Norton Antivirus works too much like a virus and had a bad ...Read more

Bonaok/TNS/TNS

Gadgets: IOGEAR’S new UpStream Game Capture Adapter with Party Chat for 4K streamers features easy setup

Finding the right computer accessory to solve a problem, work correctly and do what you want it to do, along with being simple to set up, isn’t always as easy as it seems.

IOGEAR’S new UpStream Game Capture Adapter with Party Chat for 4K streamers is that, and it costs less than its competitors. Full disclosure, I’m not a gamer (never ...Read more

Sally Anscombe/Getty Images North America/TNS

Social media challenges pose dangers to even the most well-adjusted kids, experts say

A recent FDA warning about the latest social media challenge to go viral has brought renewed focus on the dangerous trend that endangers impressionable children and teens.

The need for affirmation on social media heightened by peer pressure can lead to dangerous consequences, as stunts like eating a Tide detergent pod, holding one’s breath ...Read more