Why is the El Niño so hard to predict?

The conditions required for a clear ENSO signal only emerge in early summer, so forecasts before then quickly lose value. | Photo Credit: Joshua Eckl/Unsplash A: The El Niño Southern Oscillation (ENSO) is a climate phenomenon with three phases: warm, cool, and neutral. Depending on the phase in a year, ENSO affects the climate in … Read more

Quantum challenge: On IIT-DRDO demonstration of quantum key-distribution scheme

Scientists from IIT-Delhi and the DRDO recently demonstrated a key advance in quantum cybersecurity that stands to revolutionise how the world will communicate in the future. The world’s secrets are currently stored and communicated via channels that are protected by difficult mathematical problems. Over the years, an increasing amount of computing power available to certain … Read more

First Indian epigraphical reference to Halley’s comet found in 15th century copper plate inscription

Sri Mallikarjunaswamy temple at Srisailam in Andhra Pradesh. The first Indian epigraphical reference to Halley’s comet has been discovered in a copper plate inscription dated 1456 CE belonging to the Vijayanagara period and preserved at the Srisailam Mallikarjunaswamy temple in Andhra Pradesh. Dr. K. Munirathnam Reddy, Director, Epigraphy Branch of the Archaeological Survey of India … Read more

NASA puts off June 22 launch of Axiom-4 mission to International Space Station

Axiom-4 astronauts, commander Peggy Whitson of U.S., pilot Shubhanshu Shukla of India, mission specialist Slawosz Uznanski-Wisniewski of Poland and mission specialist Tibor Kapu of Hungary, are pictured on the countdown video clock, as the SpaceX Falcon 9 rocket stands at Launch Complex 39-A after a delay of its mission to the International Space Station, in … Read more

Technique to make CAR T-cells in vivo could transform cancer care

In recent years, chimeric antigen receptor (CAR) T-cell therapy has changed outcomes for patients with aggressive blood cancers that no longer respond to standard treatments. In some acute leukaemias, CAR T-cell therapy has led to remissions lasting months or even years. Early-stage trials have explored its use in severe autoimmune diseases like lupus as well, … Read more