Explainers Episodes

New research has found that the Kilauea eruption last year caused an influx of lava into the North Pacific Ocean which in turn triggered a large algae bloom.

Iran has dismissed accusations from the United States that it was behind the recent attacks on Saudi energy facilities.

A joint study from the University of California Los Angeles and Stanford University demonstrates a way to generate electricity in the dark by use of a thermoelectric generator device.

A newly discovered comet is the second interstellar object to ever be detected approaching our solar system.According to NASA's jet propulsion laboratory, comet C/2019 Q4 was first spotted by Ukrainian amateur astronomer Gennady Borisov on August 30.

Hong Kong police fired water cannons and tear gas to disperse protesters, after alleged petrol bombs and rocks were thrown at government buildings on Sunday.

The powerful trick you didn't know about the domino effect.

Short videographic on the Notre-Dame fire disaster. Videographic showing the principal areas inside the cathedral affected by falling rubble and burning timber.

Short videographic on the Notre-Dame fire disaster. Six months after a blaze caused devastating damage to Paris' Notre-Dame cathedral, nearly one billion euros have been paid or pledged to rebuild the edifice, France's culture minister said Tuesday.

Videographic on air pollution. New Delhi banned the use of diesel generators on Tuesday as pollution levels in the Indian capital exceeded safe limits by more than four times.

Videographic locating northern Syria. President Recep Tayyip Erdogan said Tuesday that Turkey's operation against Kurdish militants in northern Syria would not stop until "our objectives have been achieved".

Videographic examining Britain's troubled relationship with the European Union. A Brexit deal could yet be reached this week, the chief EU negotiator said Tuesday, but member states warned they will not allow Britain to open a back door to their s...

Passports around the world come in varying shades of only four colours - but governments can actually pick whichever colour they want.

Be careful!

Is Roundup safe to use?

Videographic locating northern Syria. The Syrian regime sent troops towards the Turkish border on Monday to contain Ankara's deadly offensive against the Kurds, stepping in for US forces due to begin a controversial withdrawal.

Videographic on wildfires. Wildfires raging across southern California showed signs of slowing Sunday, as firefighters contained nearly half of the biggest blaze.

Videographic illustrating flooding. Tens of thousands of rescue workers were searching Monday for survivors of powerful Typhoon Hagibis, two days after the storm slammed into Japan, killing at least 35 people.

Making a horse jump 60 feet into a pool of water used to be considered fun. For the people watching, not necessarily the horse.

Scientists have found water for the first time on a potentially habitable exoplanet.According to the Washington Post, exoplanet K2-18b is twice as big as Earth, with eight times its mass.

A micro harvest moon will be visible on Friday, September 13, when the moon reaches its apogee. The moon's orbit is an elliptical one, which, from the eyes of an observer on earth, causes variations to the moon's size.

Videographic locating the Red Sea. Suspected missile strikes hit an Iranian oil tanker off the Saudi coast on Friday, its owner said, the first Iranian vessel targeted since a spate of attacks in the Gulf Washington blamed on Tehran.

Videographic looking at the North Atlantic Treaty Organization (NATO). NATO Secretary General Jens Stoltenberg expressed "serious concerns" on Friday about Turkey's ongoing operation against Kurdish forces in Syria and called for "restraint".

Videographic locating northern Syria. Syria's Kurds battled to hold off a Turkish invasion on Thursday after air strikes and shelling launched a long-threatened operation that could reshape the country and trigger a humanitarian crisis.

Videographic looking at doping techniques in sport. Nike said on Friday it plans to shut down its Oregon Project training group after top athletics coach Alberto Salazar was banned for four years for doping.

Videographic locating the Gulf region and showing oil production. Oil prices surged more than two percent on Friday after an Iranian tanker was hit by two explosions in Saudi Arabia, sparking fresh supply concerns in the already-tense Gulf region.

Nearly every U.S. state is participating in a new antitrust probe targeting search giant Google.

Google has filed a patent to use artificial intelligence to monitor babies, CNBC reports, citing the newly published patent application.The company could use an HD video monitor and its A.I. engines to detect if a baby is feeling uncomfortable.The A.

Videographic locating northern Syria. Syria's Kurds battled to hold off a Turkish invasion on Thursday after air strikes and shelling launched a long-threatened operation that could reshape the country and trigger a humanitarian crisis.

Videographic on how pit stops can make or break a race. Japanese Grand Prix organisers will not make any decision to postpone Saturday qualifying for another 24 hours but pledged that the safety of fans and drivers was their top priority as a mass...

Videographic showing safety measures in place to protect Formula 1 racing drivers. Japanese Grand Prix organisers will not make any decision to postpone Saturday qualifying for another 24 hours but pledged that the safety of fans and drivers was t...

Apple issued a strongly worded statement on September 6 calling into question Google's recently published research about a widespread hacking operation targeting iPhones.

The U.S. Coast Guard has rescued all crew members of a cargo ship that overturned off the Georgia coast.

As the African swine fever epidemic has already wiped out one third of the pig population in China, the Chinese government is releasing frozen pork from its emergency pork reserves to keep prices down.

Private tech companies in Silicon Valley punishing and rewarding the behavior of their clients in a manner similar to China's social credit system, as detailed in a report by business magazine Fast Company.

The risks of poor nutrition.

Share this with your vegan friend.

Sure, bees may sting us on occasion but it's a small price to pay for all the great stuff we get to eat because of them. It's not just about the honey-if bees were to disappear our diets would never be the same.

Videographic locating northern Syria. Turkey launched an assault on Kurdish positions in northern Syria on Wednesday with air strikes and explosions reported near the border.

Ransomware is a type of malicious software, used by cybercriminals to extort money from internet users. Global ransomware attacks are on the decline, but such cyber strikes are getting bolder and homing in on more profitable companies, with data e...

Videographic showing how electric cars work. John Goodenough of the US, Britain's Stanley Whittingham and Japan's Akira Yoshino Wednesday won the Nobel Chemistry Prize for the development of lithium-ion batteries.

Videographic on hurricanes. A powerful typhoon is bearing down on Japan and could severely disrupt the last round of pool games at the Rugby World Cup this weekend -- not to mention Formula One's Japanese Grand Prix.

Videographic on marine pollution. The source of large blots of oil staining more than 130 beaches in northeastern Brazil remained a mystery Tuesday despite President Jair Bolsonaro's assertions they came from outside the country and were possibly ...

Videographic showing the circuit ahead of the Japanese Grand Prix on Sunday.

In May 2019, World Rugby issued new guidelines on high tackles in an attempt to reduce concussion in the game. Teams have initially struggled to adapt to the new laws, resulting in an increased number of players being sent off.

Videographic on exoplanets. Swiss astronomers Michel Mayor and Didier Queloz on Tuesday won a share of the Nobel Physics Prizefor the first discovery, in October 1995, of a planet outside our solar system -- an exoplanet -- orbiting a solar-type ...

Videographic on the United Nations. The United Nations is running a deficit of $230 million, Secretary General Antonio Guterres said on Monday, and may run out of money by the end of October.

Videographic on malaria. The Global Fund will meet in France on 9-10 October hoping to raise $14 billion for the worldwide fight against TB, malaria and AIDS.

Videographic on the AIDS virus. A major killer in the West until the mid-twentieth century, tuberculosis remains a menace in developing countries and killed 421,000 in India in 2017 according to the World Health Organization -- more than AIDS and ...