Black holes form natural time machines that allow travel to both the past and the future. But don't expect to be heading back to visit the dinosaurs any time soon.
Astronomy
Jan 4, 2023
675
387
An international team of scientists, led by researchers at University of California San Diego, report a new method called untargeted metabolomics to identify the vast number of molecules derived from food that were previously ...
Biotechnology
Jul 7, 2022
0
27
Researchers at the universities of Jyvaskyla (Finland) and Xiamen (China) have discovered a novel way to make functional macroscopic crystalline materials out of nanometer-size 34-atom silver-gold intermetallic clusters. ...
Polymers
May 7, 2020
0
57
Most of the birds you've ever seen—sparrows, finches, robins, crows—have one crucial thing in common: they're all what scientists refer to as perching birds, or "passerines." The passerines make up about 6,500 of the ...
Archaeology
Feb 7, 2019
3
440
Magic has a seemingly universal allure. It's interwoven in some of the most popular narratives for children and adults, from the "Harry Potter" books to the TV series, "Supernatural."
Social Sciences
Aug 16, 2022
0
39
The latest Powerball jackpot swelled to US$1.5 billion on Nov. 2, 2022—just shy of the record amount—after another drawing passed with no winning ticket. The next drawing will be held on Nov. 5.
Other
Nov 7, 2022
0
16
Night has just fallen in central Ivory Coast and the hour has come for two men, venturing forth in protective suits, veils and gloves, to steal honey from their bees.
Plants & Animals
Feb 6, 2021
0
20
A sacred giant turtle that died in Hanoi's storied Hoan Kiem lake has been given a new lease on life by city authorities who have embalmed the beloved creature for posterity—and tourist visits.
Plants & Animals
Mar 21, 2019
1
6
All human beings age. It is part of our biology and limits our lifespan to slightly over 120 years.
Evolution
Dec 21, 2023
1
21
Russia on Thursday unveiled a new space suit for a future spaceship, but the design may have to be changed to continue a decades-old tradition: making a stop to pee on the way to the launch.
Space Exploration
Aug 29, 2019
0
12
