Category : USA


Biosphere 2: Arizona's Sealed Earth Experiment Evolves

Biosphere 2, a massive sealed glass structure in the Arizona desert, began as a two-year human survival experiment in the 1990s. Today, it serves as a controlled laboratory for studying Earth's ecosystems, climate change, and environmental processes under

Sunita Williams on NASA's Future & Her Space Legacy

NASA astronaut Sunita Williams reflects on her 27-year career, emphasizing continuity, international partnerships, and commercial collaboration as NASA enters a new phase of space exploration beyond low Earth orbit.

Trump-Iran Tensions Escalate Over Khamenei Threats

US President Donald Trump threatened to destroy Iran if assassinated, while Iranian generals warned of jihad against any aggression toward Supreme Leader Khamenei amid ongoing protests and violence.

H-1B Visa Pay Gap Widens: City Decides Salary

A new analysis reveals the H-1B visa's fate is now tied to geography. Median wages vary sharply by metro, creating unequal outcomes for Indian professionals. High-cost cities offer leverage, while others limit mobility.

US Expands Visa Bond Program to 40+ Countries

The US State Department has expanded its visa bond pilot program, requiring nationals from over 40 countries to pay refundable bonds of $5,000-$15,000 for business or tourist visas starting 2026.

Extend H-1B Visa Beyond Six Years: Key Rules

Learn the specific conditions and steps required to extend your H-1B status beyond the standard six-year limit under US immigration law, including Form I-140 filing and other crucial procedures.

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