Venezuela's Guaido calls for 'million volunteers' in aid standoff. Videographic on location of aid storage points requested by opposition.

The three-legged wonder man who became wonder man!

What would happen if the population of insects decreased?

Islamic State group jihadists in Syria trapped in last square kilometre. Videographics on the rise and fall of the Islamic State group’s “caliphate”.

Videographic map of the border between the US and Mexico. President Donald Trump plans to declare a national emergency to fund his controversial border wall.

Videographic profile of Nigeria. Presidential and legislative elections take place in the country on Saturday.

Videographic presenting the Boko Haram islamist insurgents in northern Nigeria. Nigeria's government has said Boko Haram has been virtually defeated, despite persistent attacks against the military and civilians. The country holds presidential and...

Videographic on the arms trade. The Munich Security Conference begins on Friday.

Scientists say falling in love is all about chemistry: a glance, a whisper, a scent setting off a hormonal reaction, while psychologists argue it is all about the subconscious. Videographic on Valentine's Day explaining the science behind falling...

Videographic looking at the North Atlantic Treaty Organization (NATO). NATO defence ministers are meeting ahead of the Munich Security Conference on Friday.

Short videographic on the Solar system and Mars. NASA's Opportunity rover has been declared officially dead, ending one of the most fruitful missions in the history of space exploration. During 14 years of intrepid exploration across Mars, Opportu...

Videographic on Artificial intelligence. US President Donald Trump on Monday ordered the US administration to give greater priority to artificial intelligence, a move seen as firing up a battle for leadership with China.

Which country has the best carnival in the world?

The medieval knight: armor clad, equipped with a trusty sword, shield, and their luggage?

Videographic on VAR. UEFA president Aleksander Ceferin has warned that there will be no more excuses as Video Assistant Referees (VAR) make their debut in the Champions League starting this week.

Videographic illustrating how space travel can affect the functioning of the human body over time.

Videographic on wildfires. A large New Zealand wildfire is expected to burn for weeks longer but has moved away from some inhabited areas, firefighters said Monday.

Videographic explaining fifth generation mobile, or 5G wireless technology, that will bring near-instantaneous connectivity, vast data capacity and futuristic technologies.

Videographic presenting the Boko Haram islamist insurgents in northern Nigeria. Nigeria's government has said Boko Haram has been virtually defeated, despite persistent attacks against the military and civilians. The country holds presidential and...

Videographic profile of Nigeria. Presidential and legislative elections take place in the country on February 16.

Could there be any undiscovered creatures lurking in your backyard?

But how on Earth it can be possible for one person to make 3 tons of human feces per month and deliver it?

Videographic looking at the importance of ice shelves. The polar ice caps are shrinking as the climate warms, leading to rising sea levels. Scientists say meltwater flowing into the oceans from the Greenland and Antarctic ice sheets could boost ex...

Videographic on the AIDS virus. US President Donald Trump used his State of the Union address on Tuesday to call for a bipartisan commitment to eradicate AIDS in the United States within a decade.

Videographic looking at the North Atlantic Treaty Organization (NATO). Macedonia signed accession papers with NATO on Wednesday, a key step on the way to joining the organisation. Macedonia will become the 30th member of the alliance once the agre...

Videographic presenting the Hayabusa2 mission. The Japan Aerospace Exploration Agency (JAXA) said the Hayabusa2 probe is expected to touch down on the Ryugu asteroid at 8am local time on February 22.

Videographic on the military balance on the Korean peninsula. US President Donald Trump announced on Tuesday that his second summit with North Korea will take place this month in Vietnam.

Videographic map of the border between the US and Mexico. The United States will send an additional 3,750 troops to its frontier with its southern neighbour.

Videographic locating the border between Ireland and Northern Ireland. EU president Jean-Claude Juncker will meet Britain's Prime Minister Theresa May on Thursday, an EU spokesman said, as Brussels and London wrangle over how to save the Brexit di...

Cheap, authentic and supremely instagrammable. What's your favorite street food?

Where did all these cactuses come from?

Videographic illustrating melting ice caps. Two-thirds of Himalayan glaciers, the world's "Third Pole", could melt by 2100 if global emissions are not reduced, scientists warned in a major new study issued on Monday.

Videographic illustrating flooding. Australia's military has been deployed to tackle devastating "once-in-a-century" floods that have inundated homes, schools and airports in the country's northeast, forcing hundreds to flee and bringing crocodile...

Graphic explaining how solar panels work. A Polish scientist has developed an inkjet processing method for perovskites -- a new generation of cheaper solar cells -- that makes it possible to produce solar panels under lower temperatures, thus shar...

Videographic presenting the Boko Haram islamist insurgents in northern Nigeria. Nigeria's government has said Boko Haram has been virtually defeated, despite persistent attacks against the military and civilians. The country holds presidential and...

Videographic profile of Nigeria. Presidential and legislative elections take place in the country on February 16. Corruption is a major problem in Africa's leading crude producer and exporter with hundreds of millions of dollars from state funds a...

Videographic illustrating common rugby injuries. The Six Nations rugby competition gets under way on Friday.

Videographic on brain trauma and concussion. The New England Patriots take on the Los Angeles Rams in the Super Bowl on Sunday. A July 2017 study which analysed brain tissue of 111 dead former NFL players found evidence of chronic traumatic enceph...

If it weren't for one brave man, we would all be wandering around a charred, radioactive wasteland today.

The Holocaust is one of the greatest tragedies in human history.

How would you like to eat scrambled cancer-curing eggs for breakfast?

Videographic illustrating how carbon 14 dating works. Egyptian archaeologists have discovered eight mummies dating back over 2,300 years at a pyramid complex south of Cairo, authorities said Wednesday.

Videographic on Artificial intelligence. The UN said on Thursday that patent filings for artificial intelligence-based inventions have exploded in recent years, with more than half of all such patents filed since 2013.

Videographic locating a dam collapse in Brazil. The number of people killed in the disaster at a mining complex rose from 65 to 84 on Tuesday.

Videographic examining the history of the rugby ball. The prestigious Six Nations rugby union competition kicks off on Friday in Paris.

Videographic taking at the sport of rugby union. The prestigious Six Nations competition kicks off on Friday.

Videographic examining snowflakes, or ice crystals, which are a buildup of icy particles, each some 10 million times smaller than the snowflake itself.

Biofuels are liquid combustibles derived from biomas organic matter, particularly plants, which can be converted to fuel. But despite these credentials, they aren't necessarily good for the environment.