Climate scientists warn that global warming could trigger a cascade of “tipping points” that threaten to plunge our planet into chaos. But what exactly are tipping points, what happens if we cross them, and how can we avoid them? What are turning points? Tipping points are thresholds within key Earth systems beyond which lasting changes…
As the world turns its attention to Belém, Brazil, this November, COP30 marks a critical milestone in the global climate agenda. Low the Paris Agreementsigned a decade ago, the third round of Nationally determined contributions (NDC), that is, the national climate plans that define each country’s adaptation and mitigation commitments, are now due. Under the…
Press enter or click to view full size image This graph compares a Sun-like star to a red dwarf, a typical brown dwarf, an ultracool brown dwarf, and a planet like Jupiter. Only about 5% of all stars are like the Sun or more massive; K-type stars make up 15% of all stars, while red…
ABSTRACT Background In 2018, the World Health Organization (WHO) asked member states to assess the burden of animal-related injuries. Tanzania is among the countries without adequate data. This study sought to assess the burden of venomous bites and stings in a rural Tanzanian setting. Methods A retrospective study was conducted in February 2024 to collect…
Key takeaways about the closest black hole to Earth The closest black hole is Gaia BH1 and is about 1,600 light years from our planet, Earth. Although Gaia BH1 is the closest black hole to Earth, the black hole is dormant. Gaia BH1 is a stellar black hole and although it is large, it is…
Astrophotographer Mark Johnston has captured a fascinating view of the sun, this time showing a cloud of hydrogen plasma spinning and dancing on the solar surface, suspended by powerful magnetic fields. The incredible close-up, taken on October 20, 2025 from Willow Springs Lake, Arizona, compresses 75 minutes of real-time solar activity into a hypnotic 6.5-second…
With winds whirling at about 290 kilometers per hour, Hurricane Melissa is one of the strongest ever recorded in the Atlantic Ocean — and is poised to become the strongest storm ever to make landfall in Jamaica. It’s also a huge storm, with hurricane-force winds extending over 70 kilometers from its core. Hours before official…
Raquel Feltman: Para Científico americano‘s Ciencia rápidamente, Soy Rachel Feltman. El algoritmo de TikTok, que da forma a lo que ven más de mil millones de usuarios, se ha ganado una reputación casi mística por descubrir lo que la gente quiere ver. Esos poderes no son realmente mágicos, pero sí importan. Un algoritmo tan utilizado…
I placed the cold, jade rolling pin under my cheekbone and gently glided it to the edge of my face. To be honest, I felt a bit like a piece of pastry. But my grandma assured me that I was engaging in a serious traditional Chinese practice that would make my skin glow and my…
Participants identify concerns in their areas during the mapping workshop. Photo: PhilSA The Philippine Space Agency (PhilSA) conducted a three-day PINAS Workshop and Training on Space Science and Technology Applications (SSTA) for Disaster Risk Reduction and Management (DRRM) from April 23 to 25, 2025 in Malolos City, Bulacan. Representatives from the Bulacan Provincial Disaster Risk…