External Rating42%
202512 minEm Exibição

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Emissora:PBS

Episódio Anterior

S11E08 - "Exposing Fake Honey Using Carbon-13"

Foi ao ar em Jul 3, 2025, 4:00 PM

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Descrição

Reactions is a show that uncovers the chemistry all around us. We answer the burning questions you've always wanted to ask, blending the worlds of science and every-day life.

Detalhes

Status
Em Exibição
Idioma
English
Duração
12 min
Estreia
January 22, 2025

Links Externos

Episódios (1 Temporada · 8 Episódios)

How an HIV Miracle Drug Vanished

In 1998, a pharmaceutical company suddenly lost the ability to make their lifesaving HIV drug at one of its production facilities. Then that failure spread to the company's analysis labs. Then it spread to the other production facility, and within months the lifesaving drug had effectively vanished from the entire planet. And this wasn't the first time something like this had happened.

Jan 22, 2025

10 min

What the Research Actually Says About Fluoride in Drinking Water

Alex went on a mission to find out once and for all what the research actually says and what the off-camera experts have to say about fluoride.

Feb 12, 2025

15 min

Why a Carbon Capture Breakthrough Will/Won't Save Us

Chemists have been pulling carbon dioxide out of the air for almost 300 years, but can this seemingly magical technology save us from climate change? George answers that question with a couple of Erlenmeyer flasks, some limestone, two envelopes, and a straw.

Feb 26, 2025

10 min

Hot Water Freezes Either Faster or Slower Than Cold Water

The Mpemba Effect happens when hot water freezes quicker than room temperature water, or does it? Alex goes on an exhaustive journey to replicate the Mpemba effect and hits a few snags on the way, including a paper being released the week this video was supposed to come out. Does this paper finally resolve all existing ambiguities about measuring relaxation speeds in the Mpemba Effect?

Mar 26, 2025

14 min

Why Norway's Osmosis Power Plant Failed

When seawater and freshwater mix, a surprising amount of energy is released. Norway tried to capture this energy using an osmotic power plant, but the plant mysteriously and abruptly shut down. Join George as he tries to figure out why using dialysis tubing, toilet parts, and a baby turbine.

Apr 9, 2025

8 min

The Performance Enhancing Drug They Can't Ban

In February 2025, a number of running world records were absolutely demolished by athletes who claimed they gained an edge through a common kitchen ingredient: baking soda. It sounds like pseudoscience, but incredibly, this trick might actually work… or make you violently ill. So of course, Alex had to try it.

May 15, 2025

11 min

George Figures Out Static Electricity

If you rub two identical balloons together, they both pick up a static charge. This strange and unexpected behavior has been documented in the scientific literature and remains fundamentally unexplained to this day. But when George tries the experiment, he stumbles into something that – to the best of his knowledge – has never been reported in the literature, and is, if possible, even stranger.

Jun 5, 2025

21 min

Exposing Fake Honey Using Carbon-13

There's been an increase of manufacturers cutting honey with corn syrup or cane sugar. This week Alex takes to the lab and investigates the stable isotopes in 20 different honeys to see if they contain pure honey or have been adulterated.

Jul 3, 2025

8 min

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