There is no truly natural hair relaxer that can permanently straighten curly hair; so-called natural relaxers are often conditioning treatments, while chemical relaxers remain the primary option for long-lasting straight hair.
Light, behaving as both wave and particles, is essential for life and drives technological and biological processes.
The inland taipan is the world’s most venomous snake, but snakes rarely bite unless threatened; being able to identify venomous species can help ensure safety.
Black holes are mysterious regions in space with intense gravity that warp spacetime, challenging our perceptions of the universe.
Male lions often kill cubs during pride takeovers to ensure their own offspring's survival, while females might do so due to scarcity of food.
Russia, spanning Northern Asia and Eastern Europe, is the world's largest country by area, rich in diverse landscapes and cultures.
Born into slavery in Maryland, Harriet Tubman escaped in 1849, later aiding others' escapes via the Underground Railroad.
Isaac Newton, a key figure in mathematics and physics, authored the Principia, establishing foundational laws of motion and universal gravitation.
Laughing can trigger coughing due to rapid diaphragm contractions and airway irritation; it's usually harmless but may indicate underlying health issues like asthma or acid reflux.
Rainforests, crucial for biodiversity, exist in tropical and temperate forms and are distinguished by their unique layered structures.