Life
These clues might point to life on other worlds
Gases and color on distant planets may trace to activity by extraterrestrial life. If so, those E.T.s are likely tiny, one-celled beings.
By Douglas Fox
MS-LS1-1
Conduct an investigation to provide evidence that living things are made of cells, either one cell or many different numbers and types of cells.
More Stories in MS-LS1-1
- Life
Scientists Say: Clone
This adaptable tech can help with everything from engineering medical microbes to preserving endangered species.
- Microbes
Analyze This: Which cells are the speediest?
The cellular Olympics would be an amazing spectacle. Some cells move at mind-boggling speeds by jumping, gliding, swimming, expanding or shrinking.
- Microbes
Let’s learn about viruses
Viruses cause a huge range of illnesses, but vaccines can help protect you against these infections.
- Life
Award-winning micro-photos depict stunning details of nature
From fluorescent ferns to sprawling neurons, the 2025 Nikon Small World contest showcased the artistry of life as seen through a microscope.
- Microbes
Ants are the secret ingredient to this tasty yogurt
The traditional yogurt-making technique was once popular in parts of Europe and Asia. But don’t try this at home!
- Plants
Unlock pinecone secrets with this science activity
Let’s find out how pinecones respond to different temperatures — by mimicking changes in weather from the comfort of our own kitchens!
- Animals
Let’s learn about tardigrades
These tiny animals can survive drying out, freezing, harsh radiation and other hazards.
- Microbes
Experiment: Yeasty beasties
It’s hard to believe a packet of dry yeast is full of living things. But feed the yeast the right things, and presto! You’ve got bubbly, oozing mess of life.
- Health & Medicine
Dad’s backyard lessons inspired this hearing scientist to learn
A. Catalina Vélez-Ortega researches how proteins can protect against hearing loss.
