A bolt of cloud-to-ground (CG) lightning forms if a lightning leader develops out of the cloud and reaches the ground. Positive CG (+CG) lightning is formed by a downward positive leader and transfers positive charge into ...
Earth Sciences
Sep 30, 2021
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7
A prototype of SpaceX's unmanned rocket Starship exploded on Wednesday, the third time a test flight ended in flames.
Space Exploration
Mar 5, 2021
5
71
We receive half of our genes from each biological parent, so there's no avoiding inheriting a blend of characteristics from both. Yet, for single-celled organisms like bacteria that reproduce by splitting into two identical ...
Cell & Microbiology
Aug 6, 2019
0
80
It might look like fun at first glance but it is not – bedrest participants spend months in bed as doctors take regular blood samples and continuous tests to chart how their body reacts to a sudden sedentary lifestyle.
Space Exploration
Feb 19, 2016
0
13
Some dinosaurs may have held their heads up, like a giraffe, rather than in a more horizontal position, University of Portsmouth scientists report today.
Archaeology
May 27, 2009
0
0
