Understand – scienceinschool.org

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November 13, 2025 | Issue 75

Ashes and abs: testing calcium in gladiator tonic

Travel back to ancient Rome, test the calcium content of a gladiator recovery drink and compare it to today’s milk and sports drinks. History has never tasted this real!

Ages: 11-14, 14-16, 16-19;
Topics: Biology, Chemistry, Health, Science and society

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November 13, 2025 | Issue 75

Let’s make a chemical clock

Oscillating reactions: an unusual and fascinating topic to explore.

Ages: 16-19;
Topics: Chemistry

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November 13, 2025 | Issue 75

Teach radioisotopes and decay interdisciplinarily at a low cost

How to teach radioactive decay and radioisotopes to students who feel that equations are boring? Here are two inexpensive and captivating activities to apply in your classroom!

Ages: 14-16, 16-19;
Topics: Mathematics, Physics

Inspire

November 13, 2025 | Issue 75

Five things that matter about antimatter

Meet antimatter – nature’s invisible twin that could explain our existence and inspire our wildest stories.

Ages: 14-16, 16-19;
Topics: Astronomy / space, Physics

Understand

November 13, 2025 | Issue 75

Neutron science: a quantum story

How tiny quantum particles dig into the mysteries of future materials.

Ages: 16-19;
Topics: Engineering, Physics, News from the EIROs

Inspire

November 13, 2025 | Issue 75

How physics saves lives: Interdisciplinarity drives research

Spice up your physics lessons and show your students the tremendous impact of physics research on medical innovations.

Ages: 14-16, 16-19;
Topics: Biology, Careers in STEM, Chemistry, Health, Physics, Resources, Science and society

Understand

November 13, 2025 | Issue 75

Celestial cannibalism: investigating cataclysmic variable stars

Meet the universe’s ultimate drama queens – stars that steal, explode, and shine brighter than ever before.

Ages: 11-14;
Topics: Astronomy / space, Earth science, Physics

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November 13, 2025 | Issue 75

Snail-powered science: hands-on biology for active classrooms

Using pond snails as a low-cost, hands-on model to teach biology and environmental science in secondary schools.

Ages: 16-19;
Topics: Biology, Health

Understand

September 17, 2025 | Issue 74

X-rays shed light on enhancing zinc uptake in pepper plants

Zinc is an important trace element for plants and animals alike. Learn how nanoparticles could supply zinc to crops without having to add it to the soil.

Ages: 14-16, 16-19;
Topics: Biology, Chemistry, Earth science, Health, News from the EIROs, Physics, Science and society, Sustainability

Teach

September 17, 2025 | Issue 74

Measuring the speed of a toy-gun foam projectile – a handy guide

Speed of sound: use the sound-recording function of a smartphone to precisely measure a projectile’s speed and calculate a safe dodging distance.

Ages: 11-14, 14-16;
Topics: Engineering, Mathematics, Physics

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