833,496 articles

Simulating chaotic interactions of three black holes

Dutch student Arend Moerman (Leiden University, the Netherlands) has defended his thesis research on the simulation of chaotic interactions of three black holes. The simulations, which he carried out together with researchers from Leiden and Oxford, show that lighter black holes tend to slingshot each other out into space, while heavier ones tend to merge. The research will be published in the...

Surgeons successfully test pig kidney transplant in human patient

Researchers in US say trial on dead person is a ‘significant step’ toward animal-to-human organ transplantsSurgeons have attached a pig’s kidney to a human and watched it begin to work, a small step in the decades-long quest to one day use animal organs for life-saving transplants.Pigs have been the most recent research focus to address the organ shortage, but a sugar in their cells, which...

Jane Goodall on fires, floods, frugality and the good fight: ‘People have to change from within’

The climate emergency has been a wakeup call to everyone, and the ethologist and environmentalist is working as hard as ever to defeat it. She discusses horror, hope and heroism in her late 80sIn Jane Goodall’s new book, there is a vivid description of her “deep bond” with a beech tree in the garden of her childhood home in Bournemouth. She would climb into its branches to read, hauling...

Floating props and little sleep: Russians describe filming world’s first movie in space

Film crew say shooting was a ‘huge challenge’ and they had to learn to walk again after 12 days in orbitTheir movie props floated around, sleeping was difficult and they used Velcro to keep objects in place but Russia’s first film crew in space said they were delighted with the result and had “shot everything we planned”.Yulia Peresild, one of Russia’s most glamorous actors, and film...

New tool can identify harmful blue-green algae

A new way to detect early signs of harmful blue-green algae, which bloom in lakes, rivers and reservoirs around the world, has been developed by researchers at the University of Birmingham together with researchers at the Culture Collection of Algae & Protozoa (CCAP), based at the Scottish Association of Marine Science.