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Month: August 2022

sciencedigest_aug1-aug15

Science Digest Edition Sep 01 – Sep 15, 2022

Print Smore Science Digest A biweekly science newsletter for kidsEdition 9 | Sep 01,2022 – Sep 15,2022 In This Issue:  Trending News:  Bright blast emitted as neutron star fuses with another star | Six new species of miniature frog discovered in Mexico | STEM Around Us: Allergies and Anaphylaxis | Science Video | Did You Know?  | …

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Aluminum and Mercury : Amalgam that grows

Have you ever been to the dentist to have a damaged tooth ‘filled’? Traditionally, tooth filling is made by dissolving silver, tin, and copper in mercury. Mercury remains liquid at room temperature (25°C or 77°F). This solution of metals in mercury is called an amalgam. Atoms are the smallest particles of a substance. In metals, …

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EpiPen

Allergies and Anaphylaxis

EpiPen — The epinephrine shot that beats anaphylactic shock. Credits: CEphoto, Uwe Aranas Allergies are annoying. Allergies are mostly mild. The usual responses include sneezing, coughing, or nausea (food allergy). Skin rash and hives are also common. These responses expel the allergen (the substance that triggers an allergic response) from the body. However, some allergic …

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A sample of transparent wood created by scientists at KTH Royal Institute of Technology in Stockholm

Is Transparent Wood a Good Eco-Friendly Alternative to Glass?

A sample of transparent wood created by scientists at KTH Royal Institute of Technology in Stockholm, Credit: Peter Larsson When you think about the materials used to make window panes, wood is probably not the first thing that comes to your mind. How can this brown and opaque material create transparent windows that allow us …

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mirror

How Are Shadows Formed?

Before the invention of the clock, people determined time by the length of the shadow. What are shadows? How are shadows formed? A shadow represents an absence of light. When an object blocks the passage of light, the other side of that object will get less light, forming a dark shape of the object behind …

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Bon Voyage

Ballooning: How Spiders Fly

Bon Voyage—Young spiders ballooning in the Santa Cruz Mountains of the San Francisco Peninsula, Credit:: Little Grove Farms One of the best pilots in nature has no wings! From birds and bats to insects that fly, wings are the most common organs of flight. However, their eight-legged neighbours prefer using webs to wings. Spiders use …

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Hydroponic_onions

Hydroponics: Gardening Without Soil

Credit: Kennedy Space Center, NASA Soil isn’t always necessary to garden. Hydroponics needs just nutrient-rich water to grow a plant. There are multiple ways to set up hydroponic growing; here we will focus on the wick method. Materials needed 1. 1⁄2 US gal. (1.9 L) bottle2. A pair of scissors (use under adult supervision)3. Twine …

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