Night Sky Update: July 9 – July 17, 2021

This is the Saint Louis Science Center’s NIGHT SKY UPDATE for the week of Friday, July 9, 2021. 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

GROW greenhouse

Greenhouse Update: What About the Fish?

Shortly after writing the last blog post, we replanted in our deep-water culture with seedlings we started in soil. With the newly introduced seedlings, we’re diligently watching for any signs of new infestations. We laid out new sticky traps to keep an eye on the insect populations but haven’t seen any major changes from last… Continue reading

Artifact of the Week: Chicago Sunday Sun-Times

Three days before Apollo 11 launched into history, the Chicago Sunday Sun-Times released this special newspaper. With an illustration of astronauts Neil Armstrong and Buzz Aldrin on the surface of the Moon, the story detailed parts of the mission. Unfortunately, the writer incorrectly stated that Armstrong would step foot on the Moon in the early… Continue reading

Night Sky Update: July 2 – July 10, 2021

This is the Saint Louis Science Center’s NIGHT SKY UPDATE for the week of Friday, July 2, 2021. 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

GROW greenhouse

Greenhouse Pest Update: Trapped and Recorded

It’s been two weeks since we started our pest-control adventure in the greenhouse, and since then we’ve made a lot of fascinating discoveries. We laid out sticky traps to survey the different kinds of insects living in the greenhouse, and now we’ve been taking the traps back to our exhibit microscope to take a closer… Continue reading

Artifact of the Week: Smithsonite

Smithsonite is a mineral ore of zinc which typically forms as a globular mass instead of as crystals. This particular specimen has a bluish-green appearance due to copper impurities. The mineral smithsonite was named in honor of English chemist and mineralogist James Smithson, the founder of the Smithsonian Institution, who first identified the mineral in… Continue reading

Night Sky Update: June 25 – July 3, 2021

This is the Saint Louis Science Center’s NIGHT SKY UPDATE for the week of Friday, June 25, 2021. 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

Artifact of the Week: Carriage Lamp

This solid brass lamp is called the “Neverout Insulated Kerosene Safety Lamp.” Patented by Rose Manufacturing Company of Philadelphia, it was made for a horse or horseless carriage, bicycle, or early automobile. It has a large clear magnifying front lens and two jeweled ruby red lenses that could be seen from behind and from the… Continue reading

Aphids: Greenhouse Invaders

Today we meet the aphids! Aphids are tiny (and I mean really tiny, sometimes only a little larger than a grain of sand) insects that feed on the sap of plants. Despite the fact that they are problematic to farmers everywhere, aphids are very unique insects. There are more than 5,000 species in the aphidoidea… Continue reading