- Genetics
Experiment: Are fingerprint patterns inherited?
Let’s investigate whether fingerprint patterns are created randomly or whether they are influenced by genetics.
- Animals
Watch out for tree-climbing crocs
What’s that up in the tree? If you live in the right part of the world, it could be a hungry croc.
- Physics
Scientists Say: Quark
These subatomic particles are the building blocks of bigger particles, including the protons and neutrons found in an atom’s nucleus.
- Animals
Scientists Say: Medullary bone
Medullary bone is a layer that forms inside bird and dinosaur bones. It’s a source of the calcium in eggshells.
- Physics
Explainer: Locating a gun with sound waves
Recording the sound of a gun from three microphones can help scientists pinpoint the weapon’s location.
- Animals
Scientists say: Hibernaculum
This week’s word is hibernaculum, the word scientists use to describe the place where an animal goes to hibernate.
- Planets
Scientists Say: Eclipse
How the sun, moon and Earth line up determines whether there’s a solar or lunar eclipse.
- Life
Scientists Say: Kelp
Kelp is a kind of seaweed that forms huge forests under the ocean. But it isn’t a plant; it’s a type of algae.
- Animals
Scientists Say: Marsupial
These mammals are known for riding around in a pouch on their mother’s belly, where they continue developing after they’re born.
- Life
Scientists Say: Cellulose
Cellulose is an abundant natural polymer found in plants and algae. It’s used to make everything from paper to clothing.
- Chemistry
Scientists Say: Molecule
A molecule is a group of atoms linked with chemical bonds. It’s the smallest particle of a substance that has all of its chemical properties.
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Kids win $1,000 in clean energy challenge
KidWind held its first national competition. The kid’s turbines generated enough power to light an LED bulb.
