- SciDev
- 22/11/15 13:36
Female farmers, hard hit by climate crisis, are underrepresented at talks in Egypt, writes Rahma Diaa.
197 articles from TUESDAY 15.11.2022
Female farmers, hard hit by climate crisis, are underrepresented at talks in Egypt, writes Rahma Diaa.
This story originally appeared in The Algorithm, our weekly newsletter on AI. To get stories like this in your inbox first, sign up here. Lately I’ve lost a lot of sleep over climate change. It’s just over five weeks until Christmas, and last weekend in London, it was warm enough to have a pint outside without a coat. As world leaders gather in Egypt for the final week of...
Global figures suggest sperm concentration has halved in 40 years – and the rate of decline is acceleratingHumans could face a reproductive crisis if action is not taken to tackle a drop in sperm count, researchers have warned after finding the rate of decline is accelerating.A study published in the journal Human Reproduction Update, based on 153 estimates from men who were probably unaware of...
The behavior of sperm cells is due, in part, to the individual DNA make-up of these cells, rather than only to the genetics of males, finds a team of scientists. Its results, which provide a new understanding of the competition among sperm cells to fertilize the egg, have larger implications for the reproductive process.
So far, little is known about the interior of neutron stars, those extremely compact objects that can form after the death of a star. The mass of our sun or even more is compressed into a sphere with the diameter of a large city. Since their discovery more than 60 years ago, scientists have been trying to decipher their structure.
Would you want a bottle of soda for just one cent? Before you say yes, there’s a catch: You have to pay by scanning your palm and sharing your information with a Chinese tech giant. This was the proposition Tencent made to a handful of Chinese consumers recently, as seen in a video posted on…
Artificial intelligence has revealed that prehistoric footprints thought to be made by a vicious dinosaur predator were in fact from a timid herbivore.
Oregon State University scientists have invented a way to make magnetic nanoparticles that get hotter than any previous nanoparticle, improving their cancer fighting ability.
Third time's the charm? After two failed attempts, NASA plans to launch its new mega Moon rocket early Wednesday from Florida, less than a week after the massive machine withstood a hurricane.
The world's population is projected to hit an estimated 8 billion people on Tuesday, according to a United Nations projection, with much of the growth coming from developing nations in Africa.
On Tuesday, the United Nations officially marked the day the global population reached eight billion people. While the population has been rapidly increasing since the 1960s, this trend could come to an end before the end of the...
A volcano is likely erupting deep beneath the Pacific Ocean in the U.S. Commonwealth of the Northern Mariana Islands, but scientists don't know for sure because it's so inaccessible.
The world is getting hotter and more crowded and the two issues are connected, but not quite as much as people might think, experts say.
The Amazon Prime movie, aided by Steven Spielberg, tells the story of a Wall-E-esque rover 15-year mission to MarsOpportunity is quite a character. I’m talking about the star of Ryan White’s crowd-pleasing, Oscar-tipped documentary Good Night Oppy: a Nasa-engineered rover sent on a 90-day mission to Mars in 2003 that surprisingly stretched to 15 years.Opportunity, or Oppy as some...
Cop27 got off to a difficult start last week. Attendees struggled with a lack of food and drink, civil society group events were curtailed, and more than 600 fossil fuel lobbyists hit the conference halls – more than the delegations of many of the most vulnerable countries combined.As we head into the second week, Madeleine Finlay hears from biodiversity reporter Patrick Greenfield about what...