Dark energy, the mysterious force powering the expansion of the universe, appears to be weakening over time, according to a major cosmological survey that has thrown the laws of modern physics into doubt. Ian Sample tells Madeleine Finlay how this new finding could shed light on the ultimate fate of the cosmos, and Saul Perlmutter, who won a Nobel prize for ... Show More
Sep 1
Could humans ever communicate with whales?
Ever since the earliest known recording of whale song was made in 1949, researchers have been captivated by the wails, rumbles, clicks, grunts and squeals of their communication. As technology improves, scientists are decoding the intricate patterns that make different species’ v ... Show More
17m 23s
Mar 2017
What is the Nature of Dark Energy?
With the help of Robin Ince, Professor Brian Cox tackles more audience questions. He talks about the biggest question in physics, the nature of dark energy, running about with poles light years in length, climate change and winding up flat earthers. This week's questions come fro ... Show More
27m 59s
Mar 2017
What is the Nature of Dark Energy?
With the help of Robin Ince, Professor Brian Cox tackles more audience questions. He talks about the biggest question in physics, the nature of dark energy, running about with poles light years in length, climate change and winding up flat earthers. This week's questions come fro ... Show More
27m 59s
Nov 2024
90 - Quintessence: Is Dark Energy Changing? (Ft. Sean Carroll)
Is it possible that dark energy is not a constant, but rather is changing over time? Sean Carroll talks to us about how our understanding of dark energy evolved in recent history, and what is still left unknown.For exclusive ask-us-anything episodes, join us for just $3 a month o ... Show More
41m 43s