Learn about photoperiod plants and light cycles.
Night Sky Update: April 1 – April 9, 2022
This is the Saint Louis Science Center’s NIGHT SKY UPDATE for the week of Friday, April 1, 2022. Information updated weekly or as needed. Times given as local St. Louis time which is Central Daylight Time (CDT). For definitions of terminology used in the night sky update, click the highlighted text. If relying on times… Continue reading
Star Trek Voyager Comic Book
Capitalizing on the immediate popularity of the television series in 1995, Marvel released a comic book series for Star Trek Voyager in 1996. The comics continue the adventures of the U.S.S. Voyager, and in the tenth issue the crew unexpectedly encounters the Borg! The comic series was short-lived; only fifteen issues were released because of… Continue reading
Hydroponic Transplant
Watch our quick video highlighting how to transplant into a hydroponic system.
Night Sky Update: March 25 – April 2, 2022
This is the Saint Louis Science Center’s NIGHT SKY UPDATE for the week of Friday, March 25, 2022. Information updated weekly or as needed. Times given as local St. Louis time which is Central Daylight Time (CDT). For definitions of terminology used in the night sky update, click the highlighted text. If relying on times… Continue reading
Stibnite Collected from Romania
Stibnite is a sulfide mineral and the principal ore of antimony. It has a very metallic appearance with a bladed habitat, meaning the crystals form in what looks like many sharp, thin blades sticking out every which way. Stibnite is used today in the manufacture of matches, fireworks, and percussion caps. It was also used… Continue reading
When to Transplant Seedlings
In this short video, Andy discusses when to transplant seedlings and benefits of this practice.
Night Sky Update: March 18 – March 26, 2022
This is the Saint Louis Science Center’s NIGHT SKY UPDATE for the week of Friday, March 18, 2022. Information updated weekly or as needed. Times given as local St. Louis time which is Central Daylight Time (CDT). For definitions of terminology used in the night sky update, click the highlighted text. If relying on times… Continue reading
Germination – The First Step
Welcome to Week 1 of this grow blog. Today’s post focuses on seed germination. Seeds contain everything a young plant needs to survive, but seeds will not germinate without the right environmental conditions. For this grow we will want to give the seeds the best possible environment, which includes moisture level, humidity, and temperature. To… Continue reading
Ancient Oil Lamp ca. 3rd – 4th century AD
This bronze double-wicked oil lamp from Ancient Rome features a winged dragon handle and an owl decorated lid covering the body opening. In some cases, oil lamps were a status symbol in the ancient world. Wealthy families used and displayed lamps made of metal, a higher quality material than stone, clay, shell, or glass. Many… Continue reading