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Over just 20 years, the Stingray nebula has become anywhere from 29 to 900 times dimmer! It could teach us a ton about how nebulas evolve over time, and what happens when everything is going a lot faster than expected.

When you picture the lowest levels of the food chain, you might imagine herbivores happily munching on lush, living green plants. But this idyllic image leaves out a huge (and slightly less appetizing) source of nourishment: dead stuff....

Hank hates death, so he helps us understand the process of aging, informs us of how scientists are studying ways to prevent it and brings us the exciting news of current research in longevity... for mice.

Nothing is guaranteed in life except death, taxes, and entropy. What do other life forms have to teach us about staying alive as we get old, and will we ever conquer death?

We’re picking up where we left off last time, exploring the “ethics of care” and how it applies to extreme poverty. Are we responding to global poverty in a moral way? Philosophers like Peter Singer argue that we have an obligation to...

Why do we often wait so long to recognize each other's gifts? Why are the truest compliments for the people we love often said only after they're no longer around to hear and savor them? Andrea Driessen makes the case for writing...

In this video Paul Andersen explains how water quality can be degraded by pollutants. Wastewater is the main source of water pollution and can be measure using the BOD (biochemical oxygen demand). Dead zones, cultural eutrophication,...

Our European history is going to start around 1500 with the Renaissance, but believe it or not, that is not the actual beginning of history in the continent. So, today, we're going to teach you the broad outlines of the so-called Middle...

What's the antidote to rising nationalism, polarization and hate? In this inspiring, poetic talk, Valarie Kaur asks us to reclaim love as a revolutionary act. As she journeys from the birthing room to tragic sites of bloodshed, Kaur...

Most people have thought about: How does it feel to die? What is death like? In this video, I examine what science says about this. Some commonalities in what people experience are: positive emotions, meeting...

Out of body and near death experiences. Are they proof of an afterlife? Out of body, mystical experiences are surprisingly common. Does this mean that life after death exists?

A third of people who...

Howcast - Learn how to pick dyes to use in tie dyeing in this Howcast video.

Howcast - Learn how to tie dye using snow in this Howcast video.

Howcast -Check out this walkthrough for the open world brawler, Batman: Arkham City and find out how to get into the church and find Harley Quinn.

Howcast -Beat Chapter 6 "The Chateau" of Uncharted 3 Drake's Deception with this online demo.

Discover how the Threshold Choir brings comfort and peace to the dying through gentle song.

This video explores the advancements in scientific and medical research that are pushing the boundaries of life itself. It delves into the concept of aging, the theories behind it, and the factors that contribute to it. The video also...

The Grief Cycle is the root source of much of our understanding of change in organizations, personal change, and how to manage change. It has a well-known acronym: DABDA. <b<br/>r/>

So, what are the Grief Cycle, and DABDA?

Learn how a soundscape ecologist captures the shifting audio portraits of ecosystems under the impact of global warming.<br/>

Facing fierce Spanish resistance and guerrilla warfare, Napoleon’s intervention temporarily subdued the country, but his forces were soon stretched thin, leaving his army exhausted and vulnerable. The British, led by the future Duke of...

What is the future of aging? People aren’t dying as early or as easily as they used to. Innovations in medicine, health, and hygiene have helped us extend our lives by decades, but what comes next? Would you rather live to be a hearty...

Sigh. Nutrition research is often bad, and how we talk about it is even worse. If you believe the hype from the past several years, intermittent fasting doesn’t only help you lose weight, it may go so far as to prolong your life. So what...

A 2022 observational study publicized by Harvard Health claimed that drinking coffee could significantly lower your risk of dying. Is that true? Wasn't there a study in recent memory claiming that coffee would give you cancer? Well, it...