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The fight against an invasive fish in California’s Clear Lake

VIDEO: Can removing carp help the lake’s native fish and keep toxic algal blooms in check?  

Preparing for future pandemics: Learning from Covid-19

VIDEO: Knowable Magazine’s interviews with experts during the pandemic revealed many missed opportunities and blunders in the US response to Covid-19, which was marked by excess American deaths and disability. The experience does offer lessons on how to better prepare for what scientists call the inevitable emergence of the next global health emergency.

Long Covid: A parallel pandemic

VIDEO: Tens of millions of people are living with long Covid. Yale immunologist Akiko Iwasaki explains the current state of play in the search for causes of, and treatments for, this potentially debilitating illness.

Covid and the brain: A neurological health crisis

VIDEO: Even a mild SARS-CoV-2 infection can cause inflammation that disrupts neural communication, says Stanford neurologist Michelle Monje. Her concern is that Covid-19 may leave millions dealing with cognitive problems, from a loss of mental sharpness to lapses in memory, that prevent them from returning to their previous level of function.

Covid-19: Origins of an outbreak

VIDEO: Where do new diseases come from? As people increasingly push into remote areas, the risk of encountering new pathogens increases, says wildlife epidemiologist Jonna Mazet.

Can a fire-ravaged forest of Joshua trees be restored?

VIDEO: In August 2020, the Dome Fire burned more than 40,000 acres of the iconic species’ range in the Mojave Desert, leaving a graveyard of blackened trees. A massive replanting effort now underway hopes to return life to the fragile ecosystem by boosting numbers of the climate-threatened plant.

Why Covid-19 testing went so wrong in the US, and what to do now

VIDEO: Delays, errors and a fragmented response initially kept public health officials in the dark about the spread of SARS-CoV-2. More tests and easy access could still play a critical role in slowing the virus.

Covid’s main lesson? For this journalist, it’s unpredictability

VIDEO: New York Times science reporter Apoorva Mandavilli chronicles the rise of the delta variant, the latest of many twists in the pandemic that she’s covered since it began. Delta has left parents in an especially tough spot, with schools opening but young children still vulnerable.

Covid-19: Why race matters for health

VIDEO: The pandemic has highlighted the complex links between inequality, racism and disease risk in America. Harvard public health scholar David Williams explains.

SARS-CoV-2: Evolution of a virus

VIDEO: Scientists expected the novel coronavirus would mutate and change. But its runaway spread means new, more dangerous variants are more likely to emerge. Harvard computational geneticist Pardis Sabeti explains.

Pandemic economics: The economy of fear

VIDEO: Covid-19 may be a public health crisis, but has had real impacts on the economy. MIT’s Andrew Lo discusses what’s happened and why history suggests a financial boom may be in the future.

Coronavirus transmission: SARS-CoV-2 in the air

VIDEO: One year into the pandemic, a clearer understanding of how Covid-19 infections spread suggest people need to shift efforts away from cleaning surfaces and toward better ventilation and filtration

Rethinking recycling

VIDEO: Diverting recoverable materials helps keep trash from overwhelming landfills, but the industry still faces many challenges. Consumer education, innovative technologies and turning wastes to energy can help manage the rubbish problem.

Data viz experts explain Covid-19 graphics | Things to Know

VIDEO: Scientists break down what some popular visualizations of the pandemic can and cannot tell us

Women and girls with ADHD

VIDEO: The disorder can present differently in girls and boys, and holds different challenges for women who live with it

Inside the fertility clinic for frogs | Things to Know

VIDEO: How scientists are using assisted reproduction technology to help amphibian species in trouble

Beat of life: Understanding the cell’s rhythms

VIDEO: Many cellular processes are guided by fluctuations of molecules, from circadian clocks to the feat of precisely dividing into two daughter cells

Information apocalypse: All about deepfakes

VIDEO: Doctored images, fake videos and computer-generated news are easier than ever to create and distribute. Here’s why you should worry and what you can do.

What do genes do? | Things to Know

VIDEO: Scientists have captured live video of parts of the most fundamental event in biology — cells reading and copying DNA instructions to make proteins

When nuclear goes retro | Things to Know

VIDEO: Old becomes new as nuclear startups take another look at using liquid nuclear fuel as a safe alternative to conventional nuclear reactors

How humans shift fish evolution | Things to Know

VIDEO: By targeting larger individuals, intense fishing may lead to a fishery dominated by the small

Animal Weapons | Things to Know

VIDEO: How an evolutionary “arms race” leads to flashy horns, pincers and more across the animal kingdom

Locusts and Grasshoppers | Things to Know

VIDEO: What’s the difference between these two insects? And what triggers a swarm?

Sell-by dates | Things to Know

VIDEO: Time stamps on packaging prompt consumers to toss a lot of food, but what do they actually say about safety?

What are California megafires? | Things to Know

VIDEO: Megafires, which burn over 100,000 acres, can cause catastrophic damage. Researchers are studying fire behavior in the lab and in the field in order to fight these flames more effectively.

What are fire whirls? | Things to Know

VIDEO: Researchers examine the behavior of these tornado-like fire columns

Fast facts about the Milky Way | Things to Know

VIDEO: Our galaxy may seem humble, but here are a few things to know about what makes it an exceptional place

Fast facts about freshwater mussels | Things to Know

VIDEO: The humble bivalves can clean polluted water and bump up diversity — but there's plenty more to learn about the odd group of mollusks that make their homes in our streams and rivers

How gas fuels galaxies

VIDEO: Scientists track gas through time and space to better understand how conglomerations of stars are born and die

Can ketamine stop suicides? A neuroscientist’s perspective

VIDEO: Ketamine shows promise in treating clinical depression — but it also has a history as a recreational drug and a potential for abuse. 

Why you should care about parasites

VIDEO: Some hangers-on have a bad rep, but they're actually examples of sophisticated evolution 

The science behind geyser blasts

VIDEO: From Yellowstone National Park to geothermal fields in Iceland, researchers travel the world to understand what makes geysers blow.

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