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Quantum mechanics describes the behavior of matter and energy at the subatomic scale, revealing a world governed by probability and wave-particle duality.
CRISPR-Cas9 is a molecular tool derived from bacterial immune systems that allows scientists to edit DNA sequences with unprecedented precision.
The carbon cycle describes how carbon moves between the atmosphere, oceans, land, and living organisms, and human emissions have significantly altered this balance.
Neuroplasticity is the brain's lifelong capacity to reorganize its neural connections in response to experience, learning, and injury.
Natural selection is the process by which heritable traits that enhance survival and reproduction become more common in a population over successive generations.
Antimicrobial resistance arises when microorganisms evolve mechanisms to survive drugs designed to kill them, threatening the effectiveness of modern medicine.
Dark matter and dark energy are two mysterious components that together account for roughly 95 percent of the total content of the universe, yet neither has been directly detected.
Epigenetics studies heritable changes in gene expression that occur without alterations to the underlying DNA sequence, revealing how environment and experience shape biology.
The internet is a global network that connects billions of devices so people can share information.
Wi-Fi uses radio waves to connect your devices to the internet without cables.
A smartphone is a pocket-sized computer that can make calls, browse the web, and run apps.
A strong, unique password is one of the simplest ways to protect your online accounts.
An app is a software program designed to help you do a specific task on your device.
Cloud storage saves your files on remote servers so you can access them from any device.
GPS uses signals from satellites in space to pinpoint your exact position on Earth.
Bluetooth is a short-range wireless technology that connects devices like headphones and keyboards to your phone or computer.
A few simple habits can protect your personal information and devices from online threats.
Search engines index billions of web pages and use algorithms to rank results by relevance.
Machine learning lets computers improve at tasks by finding patterns in large amounts of data without being explicitly programmed.
Encryption scrambles data into unreadable code so only authorized parties with the right key can read it.
Electric vehicles use battery packs and electric motors instead of combustion engines to produce zero direct emissions.
Open source software shares its source code publicly, allowing anyone to use, study, modify, and distribute it freely.
Most modern touchscreens use a capacitive layer that detects the tiny electrical charge from your fingertip.
The Internet of Things connects everyday physical objects to the internet so they can collect and share data automatically.