For the first time in more than 10 years, it will be possible to see all five bright planets together in the sky. Around an hour or so before sunrise, Mercury, Venus, Mars, Jupiter and Saturn, the five planets that have been ...
Space Exploration
Jan 15, 2016
1
5941
Bright stars top Christmas trees in Christian homes around much of the world. The faithful sing about the Star of Wonder that guided the wise men to a manger in the little town of Bethlehem, where Jesus was born. They're ...
Astronomy
Dec 24, 2014
169
5
It's difficult to tell if the recent
Economics & Business
Aug 25, 2023
0
157
Two years ago I taught a section of Calculus I to approximately 650 undergrad students in a large auditorium. Perhaps "taught" isn't the right word. "Performed," maybe? Unsurprisingly, my student evaluation scores were not ...
Social Sciences
Nov 20, 2015
2
106
What if I told you that recent experiments have revealed a revolutionary new method of propulsion that threatens to overthrow the laws of physics as we know them? That its inventor claims it could allow us to travel to the ...
Space Exploration
Jul 31, 2015
58
444
Oak trees accumulate more wood when there is more carbon dioxide (CO₂) in the atmosphere. That's the key finding from our new study, carried out in a long-established forest in Staffordshire, England, that we have turned ...
Environment
Aug 14, 2024
0
86
Four years ago a viral campaign wooed the world with a promise of fighting climate change and jump-starting the economy by replacing tarmac on the world's roads with solar panels. The bold idea has undergone some road testing ...
Energy & Green Tech
Sep 21, 2018
18
1072
It's easy to assume all animals have a neat dividing line between the sexes because the differences in appearance between males and females can be so striking. But the more scientists learn about wildlife, the clearer it ...
Plants & Animals
Sep 28, 2022
0
3
Many families with children separate all around the world. In France, for instance, nearly 200,000 children per year are affected by the divorce of their parents. After divorce, just over seven out of ten children (73%) live ...
Social Sciences
Oct 5, 2018
1
800
When I was younger I decided to learn Greek. I learned the letter-sound correspondences and could say the words—the sounds, that is. But although I could and still can decode these words, I can't actually read Greek because ...
Education
Nov 12, 2019
0
10
