CNN Explains

AI data centers aren't just gobbling up water and electricity. They need vast amounts of computer memory to feed AI processors, too. CNN's Krishna Andavolu explains how that's caused the price of many consumer electronics to spike.

Wildfires are raging across Spain, France, Italy, and Canada. CNN's Alex Clark explains how climate change is fueling a new generation of extreme, uncontrollable mega fires.

Polls say parents are worried about risks their kids will likely never face, like kidnapping and being hit by a car. CNN's Gianna Toboni explains how this anxiety could be driving kids toward what many parents fear most: screens.

Nine months after US President Donald Trump laid out his 20-point plan to end the war in Gaza, the reality is worlds apart from what was promised. Israel keeps seizing territory and Hamas refuses to disarm. So why hasn't the plan become a reality?

More and more businesses are shifting away from expanding affordable options to focus on premium ones. CNN's Rachel Siegel explains why, despite the affordability crisis, budget options are disappearing.

A string of AI companies has announced plans to go public, with SpaceX - owner of xAI - leading the charge after a historic IPO debut in June. CNN's Hadas Gold explains why these private companies are seeking public equity.

The difference between World Cup glory and defeat can come down to the width of a shirtsleeve or the tip of a knee. That's due to soccer's offside rule. CNN Krishna Andavolu explains its intricacies, origins and ethics.

With the midterms approaching, there are tons of questions and conspiracy theories about how secure US elections really are. CNN's Marshall Cohen traces the system of integrity checks and safeguards that effectively prevent - and catch - voter fraud.

It's a good time to be a billionaire political donor. Decades of Supreme Court cases have eliminated key guardrails keeping political spending in check.

After a supposed "noise demonstration" at a Texas ICE detention facility went awry last year, the DOJ secured convictions for 15 people with a terrorism-related crime.

Section 702 of the Foreign Intelligence Surveillance Act is up for renewal, and lawmakers are debating whether a law designed to prevent terrorism is also violating the constitutional rights of citizens. CNN's Krishna Andavolu explains.

The Ebola outbreak in the Democratic Republic of Congo is already the third largest in history. CNN explains just how big of a threat this disease could be for the US - and the world.

Cuba faced a US invasion in 1961 - and defeated it. Now, Cubans are bracing for a potential US attack after the indictment of Raul Castro. CNN's Patrick Oppmann explains how they're preparing amid rising tensions.

Colorectal cancer is now the leading cause of cancer-related deaths for people under 50. With the rate of new diagnoses expected to rise 90% by 2030. CNN's Gianna Toboni explains.

Outside of higher gas prices, the US hasn't really felt the economic consequences of the war in Iran and the closure of the Strait of Hormuz. But it's about to. CNN's Phil Mattingly explains how - and when.

Prediction markets are federally regulated, like commodity futures that help farmers manage risk during down seasons. But over 40 states believe the "event contracts" on prediction sites are gambling, and should be regulated as such.

The war in Iran has spiked oil prices which in turn has sent gas prices soaring across the country. CNN's Krishna Andavolu and David Goldman explain why it could take years for those prices to come back down.

Antibiotics have saved millions of lives over the last century. But in that same period, some of the deadly bacteria that it used to destroy have evolved to resist them.

President Donald Trump says there's been regime change in Iran. But two months into the war, it's the Islamic Revolutionary Guard Corps that seems to have risen.

The movement against petroleum-based food dyes is heated, with some states pursuing bans and pushing for natural alternatives. CNN's Gianna Toboni explains how these dyes operate in our brains, and why experts say natural dyes may not be a solution.

As states rapidly redraw districts ahead of the midterms, an impending Supreme Court decision could spur even more gerrymandering -- and according to experts, threaten the future of fair representation. CNN's Krishna Andavolu explains.

Cuba's economy was built over decades of isolation and chronic mismanagement by the government. Now, a near total oil blockade threatens to take down the system.

The cost of the Iran war runs deeper than military expenditures and rising gas prices. As the national debt rises, the cost of servicing the debt is getting more expensive, leaving future generations to pay. CNN's Gianna Toboni explains.

The last nuclear arms treaty between the U.S. and Russia expired in February. And both Russia and China are testing weapons systems designed to evade US nuclear defense. CNN's Krishna Andavolu explains how a new nuclear arms race is developing.