Vaccines 101: How new vaccines are developed
With the world in the grip of the COVID-19 pandemic, all eyes are on vaccine trials and the researchers developing them. But what are they actually doing?
Vaccines 101: How vaccines work
As the world waits for a potential COVID-19 vaccine, we delve into how vaccines actually work. What are the different types of vaccine? How do they trigger and train the immune system, and what is the role of herd immunity?
Roger Penrose – Why Did Our Universe Begin?
That the universe began seems astonishing. What brought it about? What forces were involved? How did the laws of nature generate the vast expanse of billions of galaxies of billions of stars and planets in the structures that we see today? What new physics was involved? What more must we learn?
CARL SAGAN – A Way of Thinking
«Science is more than a body of knowledge, it’s a way of thinking.» Carl Sagan Music: Michael Nyman – Second Morrow, The Other Side & The Arrival
Why Is Our Skeleton On the Inside?
Having bones is pretty cool. They make our blood, let us hear, and keep us from being just a squishy puddle on the floor. But for every species with bones, there’s at least 20 species on Earth with exoskeletons instead. And those exoskeleton animals are incredibly tough and strong. So why don’t WE have our […]
Why Do Deadly Viruses Jump From Animals to Humans?
Viruses keep jumping out of nature and into humans, and getting us very sick in the process. So why do zoonotic spillovers like SARS-CoV-2 happen, and why are they becoming more frequent? We asked an expert.
Why Blue Whales Don’t Get Cancer – Peto’s Paradox
Cancer is a creepy and mysterious thing. While we tried to understand it, to get better at killing it, we discovered a biological paradox that remains unsolved to this day: large animals seem to be immune to cancer. Which doesn’t make any sense – the bigger a being, the more cancer it should have. To […]
How To Win A Nobel Prize
Everyone knows that winning the Nobel Prize is a big deal, but why do we even have a Nobel Prize? And why does it matter?
Time: Do the past, present, and future exist all at once? | Big Think
Time: Do the past, present, and future exist all at once?
Ted Turner asks Carl Sagan if he is a socialist.
Interviewed in 1989, Carl Sagan describes in eloquent fashion how «socialism» is simply having a government that cares for its people.
The Side Effects of Vaccines – How High is the Risk?
Vaccines are one of our best tools to prevent dangerous diseases, but they come with side effects. So would it be safer not to vaccinate? This video has been supported by a grant from the Bill & Melinda Gates Foundation.
Is It Too Late To Stop Climate Change? Well, it’s Complicated.
This video is part of a series about climate change supported by Breakthrough Energy – a coalition founded by Bill Gates, that is working to expand clean-energy investment and support the innovations that will lead the world to net-zero carbon emissions.
The Largest Star in the Universe – Size Comparison
What is the largest star in the Universe? And why is it that large? And what ARE stars anyway?
Life 3.0: Being Human in the Age of Artificial Intelligence
Max Tegmark and his wife Meia discuss his new book «Life 3.0: Being Human in the Age of Artificial Intelligence» (see Amazon & http://space.mit.edu/home/tegmark/ai….). Share your views on AI with others at http://ageofai.orgSHOW LESS