📖+10 XP
🎧+10 XP
✅+15 XP
Level A1 – BeginnerCEFR A1
2 min
69 words
- Researchers find special brain cells in mice.
- These cells help navigation and knowing location.
- They are in the retrosplenial cortex.
- Darwin called the skill dead reckoning.
- The cells act like a subconscious GPS.
- There are two unique neuron types.
- Both types are found in mice and rats.
- One type is slightly larger in rats.
- People with Alzheimer’s have trouble finding home.
- Scientists now check human brains for these cells.
Difficult words
- researcher — A person who studies and finds new facts.Researchers
- navigation — The skill of moving and finding places.
- retrosplenial cortex — A part of the brain near the back.
- dead reckoning — A way to find location without maps.
- subconscious — Mental activity that people do not notice.
- neuron — A cell in the brain that sends signals.
Tip: hover, focus or tap highlighted words in the article to see quick definitions while you read or listen.
Discussion questions
- Do you use a GPS to find places?
- Do you get lost in a new place?
- Do you know someone who forgets the way home?
Related articles
25 Nov 2025
31 Mar 2026
How the Amazon molly stays genetically healthy
Researchers at the University of Missouri found that the all-female Amazon molly keeps its DNA healthy despite cloning. They show gene conversion and genome comparisons help explain how the species avoided extinction and remained diverse.
20 Jan 2026
24 Dec 2025
8 Dec 2025