Marie Curie was a pioneering Polish-born physicist and chemist renowned for her groundbreaking research on radioactivity. She was the first woman to win a Nobel Prize and remains the only person ever awarded Nobel Prizes in two different scientific fields—Physics (1903) and Chemistry (1911).

Curie, along with her husband Pierre Curie and Henri Becquerel, shared the 1903 Nobel Prize in Physics for their work on the phenomenon of radioactivity, a term she coined. She later discovered two new elements, polonium and radium, and was awarded the 1911 Nobel Prize in Chemistry for isolating pure radium. Her research fundamentally changed scientific understanding of atomic structure and radioactivity, and she championed the use of radiation in medicine, particularly for cancer treatments.

Curie was also the first female professor at the Sorbonne in Paris, and during World War I, she developed mobile X-ray units to assist battlefield medical care. Her dedication to science, despite personal and professional challenges, left a lasting legacy in both scientific research and medical practice.

Geocaching is an outdoor recreational activity that involves using a Global Positioning System (GPS) or a mobile app to navigate to specific coordinates and find hidden containers called geocaches . These containers are hidden all over the world by other participants . Geocaching is often described as a real-world treasure hunt and is considered a family-friendly activity .

How It Works

1. Find a geocache Using the Geocaching app or website, search for geocaches near your location .

2. Navigate Use a GPS device or the app to navigate to the coordinates of the geocache .

3. Find the cache Look for a hidden container, which can vary in size and may be camouflaged .

4. Sign the logbook Once found, sign the logbook inside the cache to prove you found it .

5. Trade items (optional) Some larger caches contain trinkets or toys for trade. If you take something, leave something of equal or greater value .

6. Replace the cache Put the cache back exactly as you found it .

7. Share your experience Log your find online and share your experience with the geocaching community .

The first geocache was placed on May 3, 2000, and the activity was originally called “GPS stash hunt” . The name was later changed to “geocaching”. Today, there are over 3 million geocaches hidden in 190 countries .

Easter celebrations vary greatly around the world, encompassing religious ceremonies, family gatherings, and unique cultural traditions. Some popular traditions include egg hunts, egg decorating, and bonfires, while others include kite flying, giant omelettes, and unique Easter treats like hot cross buns or bilbies.

Blue Origin Enterprises, L.P. is an American space technology company headquartered in Kent, Washington. The company operates the suborbital New Shepard rocket and the heavy-lift New Glenn rocket. In addition to producing engines for its own rockets, Blue Origin supplies engines for other vehicles, including United Launch Alliance's Vulcan Centaur. It is also working on the Blue Moon human lunar lander for NASA's Artemis program, the Blue Ring spacecraft platform, and the Orbital Reef space station in partnership with other organizations.

Founded in 2000 by Jeff Bezos, Blue Origin initially operated with a very low profile, funded by Bezos's private investments. In 2015, the company achieved a significant milestone with the first uncrewed launch and landing of the New Shepard and announced plans for New Glenn. In 2021, New Shepard completed its first crewed mission with Bezos himself on board, crossing the Kármán line, the conventional definition of the edge of space, 100 kilometers (62 mi) above sea level. Another key achievement came in January 2023 when the company delivered its first BE-4 rocket engine to United Launch Alliance.[2] Despite these milestones, Blue Origin has faced criticism for its perceived slow progress, particularly when compared to SpaceX. Addressing these challenges, the company underwent a leadership change in September 2023, appointing Dave Limp as CEO to succeed Bob Smith.[3]

On January 16, 2025, Blue Origin reached orbit with the first launch of the New Glenn vehicle.[4]