Current Affairs 12th February 2025
Current Affairs 12th February 2025 by Saurabh Pandey Sir
Elephant Communication and Social Structure Elephant
Lifespan and Social Dynamics
🐘 Lifespan: Elephants can live up to approximately 70 years.
🔄 Social Structure: Herds of elephants frequently split and merge, showcasing their dynamic social structure.
Communication Methods
🎶 Sound Range: Elephants communicate using a range of sounds, including lowfrequency rumbles and high-frequency squeaks and chirps.
📣 Trumpet Calls: The most common highfrequency vocalization among elephants is the trumpet, used in various social contexts.
Age-Related Vocalization Differences
👶 Younger Elephants: Produce higherpitched calls to attract mates and establish their presence.
👴 Older Elephants: Utilize lower-pitched calls for similar purposes, indicating a difference in communication based on age.
Social Interaction Roles
🤝 Vocalizations: Serve important roles in social interactions, play, and conflicts within and between elephant groups.
Hawaii: The Rainbow Capital of the World🌈
Ideal Conditions for Rainbows
Hawaii is renowned as the “rainbow capital of the world” due to its perfect conditions for rainbow sightings. Rainbows form when raindrops refract sunlight, with brighter rainbows appearing under a brighter sun. The optimal time to see rainbows is during sunny and rainy conditions, typically opposite the sun.
Contributing Factors
Trade winds in Hawaii lead to frequent small showers, creating sunny breaks that are ideal for rainbow formation. Clean air in Hawaii enhances rainbow visibility, unlike other regions with more air particles that can obscure them.
Climate Change Impact
A study predicts that by 2100, regions such as Brazil, the Mediterranean, and parts of Central Africa may see fewer rainbows due to climate change. Areas transitioning from snow to rain are expected to experience an increase in rainbow occurrences.
Summary : Hawaii’s unique climate conditions make it the “rainbow capital of the world”, but climate change poses a threat to rainbow occurrences in various regions by 2100
