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Wingsuit flying over Massachusetts

Soaring for Sport

STEM Explained

Ever dreamed if overcoming gravity and flying away? Using aerodynamics, wingsuit jumpers get as close to flight as humanly possible.

Space junk

Space Junk

STEM Explained

Litter isn't just a problem on Earth. When litter ends up in space, it can cause collisions and other consequences for satellites, the International Space Station and even for people on Earth!

Replica of the earliest wooden model stethoscope

Stethoscope Replica

Interactives

Using stethoscopes, doctors can use sound waves to detect various health issues. Learn how this device has evolved since it was invented in 1816!

Earth seafloor crust

Plate Tectonics

STEM Explained

The surface of the Earth is constantly moving, and earthquakes and volcanoes occur, because of plate tectonics.

plastic food containers, trays and food packaging made from polystyrene

Polystyrene: The Pros, the Cons, the Chemistry

STEM Explained

Learn the organic chemistry behind this very useful plastic. Why is recycling polystyrene hard? Why does polystyrene often end up as solid waste?

Radiation shielding garment on the International Space Station

Radiation and Human Space Exploration

STEM Explained

One of the greatest hazards that humans in space face is cosmic radiation. Learn what cosmic radiation is, why it's dangerous, and ways that we are looking at protecting humans in deep space.

Ship in Arctic waters

Reaching the Arctic

STEM Explained

How will arctic ice melt from climate change affect exploration, scientific research and geopolitics?

An artist’s impression of a habitable exoplanet orbiting a red dwarf star

Searching for exoplanets around the star next door

STEM Explained

In planetary science, astronomers have found planets that orbit other stars, just like Earth orbits the Sun. Some of them might even be able to support life.

Bottle of Measles, Mumps, Rubella (MMR) vaccine

Measles and Measles Prevention

STEM Explained

Learn about the measles virus, its impact and vaccination for prevention of the disease.

Pavlova meringue with fruit

Meringue: The Science Behind a Wonderfully Fluffy Dessert

STEM Explained

Learn about the biochemistry of cooking meringue.

Bacteria can be used to generate electricity

Microbial Fuel Cells

STEM Explained

In a few decades, some of the electricity you use might be generated by bacteria.

A 3D-rendered illustration of stem cells

My Stem Cell Donation Story

STEM Explained

In April 2016, Let’s Talk Science volunteer Daniel Tarade donated stem cells to help a person who needed a stem cell transplant to survive. Learn what stem cells are, how and why people donate, and what Daniel’s experience was like.

An image showing the symbol, atomic number and relative atomic mass of sodium. Sodium’s symbol is Na, its atomic number is 11 and its relative atomic mass is approximately 22.99.  Image © istockphoto.com/3dalia

Na Na Na Na (Hey Hey Hey) Sodium!

STEM Explained

Sodium is a useful chemical element. You consume it as table salt regularly. Learn about salt mining, sodium uses, and what problems too much sodium can cause.

General Motors Place

Keeping the Rink on Ice

STEM Explained

Learn about the chemistry of ice skating rinks, and the technology & engineering that lets us enjoy them indoors as well as outside.

Electronic cigarette and traditional cigarettes

Is Vaping Safer Than Smoking?

STEM Explained

Learn how e-cigarettes and other vaping products work, and why scientists and health professionals have concerns about their safety.