Sloths are slow-moving, tree-dwelling mammals native to Central and South America's tropical forests, known for their unique features like long arms, shaggy fur, and specialized claws.
In the digital age, cybersecurity is crucial; free online courses from NYU and UMD provide essential education for safeguarding data and systems.
Skillshare and Udemy offer top online courses in various creative fields like writing, design, and photography, catering to all skill levels with flexible schedules.
The Mentos and Diet Coke experiment spectacularly demonstrates a physical reaction where Mentos candies act as nucleation sites for CO2 bubbles, creating a soda geyser.
The Archimedes screw, an ancient device named after the Greek thinker Archimedes, efficiently moves water uphill and is still used today for irrigation, wastewater management, and even electricity generation.
Harvard, Stanford, and MIT offer free online courses in various fields, providing flexible, high-quality education from home, benefiting both hobbyists and professionals.
The Taino were the first people Columbus met in the Americas; they had rich cultures and societies in the Caribbean, which were deeply impacted by European contact.
The United States, made up of 50 unique states with distinct names, capitals, and populations, forms a diverse nation with various geographical and cultural traits.
Dolphins may protect humans from sharks to defend themselves or their young, though they have been known to guide swimmers to safety and show empathy.
Top programs to learn Spanish effectively include Duolingo with its fun, engaging lessons, and Babbel with its flexible course formats and real-life topics.