Explainers Episodes

The latest data sent from Voyager 2 brought new insight and questions about the boundary region where the sun's influence ends and interstellar space begins.

Facebook says roughly 100 app developers had improper access to user data from video streaming apps and social media management apps through admins that authorized the apps' access to Facebook groups.

More than 11,000 scientists around the world have signed a declaration stating planet Earth is facing a climate emergency, according to a new study published in the journal BioScience.

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 star in the Milky Way. Videog...

Videographic showing how electric cars work.

Several Australian bushfires have combined to form a "mega fire" that is burning out of control across a swathe of land north of Sydney. Videographic on wildfires.

Parties to faltering Iran nuclear deal meet after confirmation of latest Iranian breaches. Videographic on the nuclear agreement with Iran.

At least 38 people died in Burundi after heavy rains triggered landslides that swept through hillside communities in the northwest of the country. Videographic on landslides.

Protest in Hong Kong against Hong Kong police's use of tear gas. Videographic on tear gas.

According to the Washington Post, the new border wall President Trump is building features steel and concrete bollards up to 30 feet tall, and concrete foundation that deters tunneling.U.S.

A 68-year-old woman in California is the second human to be infected with parasitic eye worms typically found in cattle, as scientists warn that it may be an emerging zoonotic disease in the U.S.

How would your favorite meal look in space?

Would you want to live in a 3D printed house?

NASA's Parker Solar Probe, having survived its closest encounter so far with the Sun, has sent back a "spectacular trove" of data on its corona, the super-hot outer edge of its atmosphere. Videographic on the Parker Solar Probe mission to the Sun.

The history of slavery is full of heartless and cruel stories, but one heinous case forced the action needed to end the British slave trade.

Researchers found at least 13 prehistoric shark teeth during a diving expedition in the Xoc cenote, a flooded cave in the Mexican city of Merida.

Researchers have created the first brain to brain interface that can link three people and allow two-way communication using only their mind.

New Delhi is set to combat toxic smog in the city by banning cars with odd and even number plates on alternating days starting from November 4 to November 15. Those who ignore the order will be fined 4,000 rupees, or roughly US$56, BBC News reports.

Launch of SpaceX CRS-19 ISS resupply mission. Videographic illustrating the International Space Station.

China discarded 200.7 million cubic meters of waste into its coastal waters in 2018.In a briefing on October 29, China's environmental ministry said that this is a 27 percent increase from 2017 and the highest level in at least a decade.

Mark Schipp, vice president of the World Organization for Animal Health, stated in a press conference on October 31 that roughly a quarter of the pig population worldwide is expected to die off as a result of the spread of African swine fever.

Scientists have found that measles is a lot more devastating to the immune system than previously thought.The Guardian reports that the body has two key lines of immune response in dealing with viruses.

Earth is always turning, but what if someone threw on the planet's emergency brake and brought everything to a sudden stop? It would be bad.

Videographic illustrating melting ice caps. This decade is set to be the hottest in history, the United Nations said Tuesday in an annual assessment outlining the ways in which climate change is outpacing humanity's ability to adapt to it.

Videographic on permafrost. This decade is set to be the hottest in history, the United Nations said Tuesday in an annual assessment outlining the ways in which climate change is outpacing humanity's ability to adapt to it. Accompanies various vid...

Videographic illustrating the role played by the world's dams in renewable energy. Ethiopia's construction of a massive power dam on the Blue Nile is raising tensions with Egypt, which depends on the river for 90 percent of its water supply.

Videographic showing how electric cars work. China should adopt a plan that will see electric vehicles make up a quarter of all autos sold in the country in six years' time, the industry ministry said Tuesday, as the sector struggles with falling ...

Videographic on impeachment. The House Judiciary Committee will hold a hearing on Wednesday at which experts will weigh whether US President Donald Trump's alleged wrongdoing in pressuring Ukraine to investigate domestic political foe Joe Biden me...

Videographic on the Moon. India's Vikram lunar lander, which crashed on its final approach to the Moon's surface in September, has been found thanks in part to the sleuthing efforts of an amateur space enthusiast.

How learning a new skill can affect your stress levels?

Was it really a ghost?

Our trash is now affecting every conceivable corner of the globe. A 2019 mission to the deepest point on Earth, the Marianas trench, even revealed candy wrappers and a plastic bag floating at the bottom of it... In this video, Unveiled looks at on...

What if everything that isn't human suddenly disappeared? In this video, Unveiled imagines an alternate world where humans are the only living things left on Earth. No animals... No plants... No bacteria... Only human beings! How long could the hu...

When Neil Armstrong took his first steps on the lunar surface in July 1969, it could’ve been a breakthrough moment leading to decades of human exploration... Instead, humanity quickly lost interest in the moon, and nobody has returned for generati...

Humanity dreams of one day visiting distant star systems and alien planets. But to do so, we'll have to break through the mysterious Oort cloud. So, what awaits us in the darkest confines of our solar system? In this video, Unveiled takes a tour a...

Black holes are among the strangest structures in all of space; vast and mysterious with powerful singularities where the rules of physics fall apart. And yet, their currently hypothetical counterparts are perhaps even stranger still! In this vide...

Earth's atmosphere is vital for life to survive. So, what would happen if it was suddenly taken away from us? In this video, Unveiled discovers how the Earth would change if it was robbed of its atmosphere. We're talking no more oxygen... no more ...

The Earth is bombarded with cosmic rays every single day... but some are more powerful than others! For this video, Unveiled investigates the incredible true story behind the highest-energy cosmic ray we've ever seen! When it was discovered in the...

It’s widely held that it was an asteroid that doomed the dinosaurs; a hurtling hunk of space rock that, around 66 million years ago, crashed into Earth and rewrote the ecosystems of an entire planet. Today, an asteroid impact is still something we...

Videographic looking at the North Atlantic Treaty Organization. NATO marks its 70th birthday at a summit on Tuesday but the celebration could well turn into an arena of political combat between the alliance's feuding leaders.

Videographic on gun control in the US. The US Supreme Court will address gun control on Monday for the first time in nearly 10 years with a majority of justices seen as supporting the rights of people who own firearms.

Videographic explaining how vaccinations work. Samoa ordered a government shutdown to help combat a devastating measles outbreak Monday, as five more children succumbed to the virus, lifting the death toll in the tiny Pacific nation to 53.

Videographic on hurricanes. Tens of thousands of people sheltered in evacuation centres as powerful Typhoon Kammuri barreled towards the Philippines on Monday, disrupting plans for the Southeast Asian Games events near the capital Manila.

Videographic showing how cities can respond to heat waves. Confronted with a climate crisis threatening civilisation, humanity much choose between hope and surrender, UN chief Antonio Guterres told the opening plenary of the UN COP25 climate confe...

Videographic on climate change. Confronted with a climate crisis threatening civilisation, humanity much choose between hope and surrender, UN chief Antonio Guterres told the opening plenary of the UN COP25 climate conference Tuesday.

An explainer on the North Atlantic Treaty Organisation or Nato

NASA has commissioned Southwest Research Institute to study the possibility and the cost of a long-term Pluto orbiter mission.

Researchers at cybersecurity firms Malwarebytes and Symantec have uncovered an Android trojan called xHelper that is able to reinstall itself even after users have uninstalled it.