Science

Weather

Wrap up warm: Polar vortex brings freezing cold

The polar vortex will probably cause an icy winter in the Northern Hemisphere after all. Here's how the weather phenomenon comes about.  

Space race

EU aims to curb carbon footprint through investment in space

A €15 billion fund is set to bolster the EU’s space program, making it autonomous from China and the US. EU commissioners also see this as an important step for the continent’s green and digital transitions.  

archeology

Egypt reveals ancient archaeological burial finds at necropolis

The latest trove was found in 22 burial shafts at Saqqara, south of Cairo, and date back four millennia. The finds include a long papyrus Book-of-the-Dead roll said to guide the dead "through the underworld."  

Coronavirus

Face mask, face shield, FFP2 mask, N95, KN95 - what's the difference?

In COVID-19 times, masks are mandatory in many places. Now Bavaria is tightening its regulations – a simple cloth mask is no longer sufficient, it must be a certified FFP2 mask. What does that mean?  

Long COVID symptoms

What we (don’t) know and who it impacts

For patients with long COVID, understanding the symptoms or even getting recognition for the disease has been hard. DW spoke with one expert who answered a few of our most pressing questions.  

COVID-19 vaccine development: What's the progress?

Researchers around the world are developing vaccines against SARS-CoV-2, the virus that causes COVID-19. Here's a look at their progress so far.  

WHO team in China: Searching for coronavirus' birthplace

SARS-CoV-2 probably originated in bats, but how it passed to people has been the subject of intense speculation and is now being investigated by the World Health Organization.  

FAQ: COVID-19 vaccinations: What you need to know

What are the differences between the vaccines? Which one is the right one for me? How quickly can people get vaccinated? Are there potential side effects? Here are some answers to the most important questions.  

BioNTech-Pfizer vaccine may protect against coronavirus mutation — study

The coronavirus variants discovered in the UK and South Africa are not more dangerous, but are much more contagious and could overwhelm hospitals. The BioNTech-Pfizer vaccine may protect against coronavirus mutations.  

Coronavirus

EU health authority approves Moderna vaccine

The US-developed COVID-19 vaccine was rubber-stamped by the European Commission after getting conditional market approval from the EU's medical watchdog. It is the second vaccine authorized for use in the 27-nation bloc.  

Can the second dose of the COVID-19 vaccine be delayed?

To offer the first dose of the coronavirus vaccination to as many people as possible, the UK is delaying the necessary second dose. Many scientists think this isn't the best idea.  

COVID-19

Risks and side effects of vaccination

Vaccines are safe and save lives. The rapid development of COVID-19 vaccines has people asking questions. Here is an overview of the reactions and side effects you can expect.