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Living World: Survival of Species

What makes soil hard and compacted?

What makes soil hard and compacted?

Hands-on Activities

Explore how walking on soil changes how water soaks into the ground and why that matters to gardeners and farmers.

icon of embryo in hands

What if You Could Choose Your Baby?

STEM Explained

Many people have had children using assisted reproductive technologies. But some of these medical biotech techniques can raise some ethical issues.

Like trees, brains grow and develop

Understanding the Teen Brain

STEM Explained

Teen brain development prepares teens for adulthood, but also affects their emotions.

Cartoon mammoth

Should Scientists Clone Extinct Species?

STEM Explained

Cloning makes it possible to bring extinct species back to life. But is that a good idea?

Seed Germinating

Plants: Germination

Picture Collections

6 images of some seedlings sprouting as one of the stages towards full plant growth

Fennel Seeds

Plants: Seeds

Picture Collections

6 images of some seeds which are the fertilized part of a plant used for germinating new plants such as fennel, kiwis and pumpkins

dung beetle rolling dung

How to Find a Mate When You Smell Like Dung

STEM Explained

Some dung beetles use alternative reproductive tactics to increase their chances of finding a mate. Learn what this tells us about evolution and biodiversity.

Water Lily

Flowers: Cup Shape

Picture Collections

8 images of some flowerheads such as roses and water lilies whose outer petals are longer than the petals in the centre of the flower

Iris

Flowers: Irregular Shape

Picture Collections

3 images of some asymmetrical flowerheads such as an iris and an Orchis Sima or Monkey Orchid

Sunflower

Flowers: Radial Shape

Picture Collections

7 images of some symmetrical flowerheads such as asters and sunflowers whose petals radiate from the centre of the flower

Petunias

Flowers: Trumpet Shape

Picture Collections

5 images of some flowerheads such as petunias and lilies that start as a narrow base and widen to an open shape

Green walls in Harvard University

Green Walls

STEM Explained

Green walls use plant processes to improve air quality in buildings.

bees on frame held by beekeeper

How are the World's Bee Populations Doing?

STEM Explained

Bees are important for agriculture. But bee populations face threats. This resource looks at Colony Collapse Disorder, herbicides & pesticides, and more.

Measuring Slope Of Soil

Careers: Soil Scientist

Picture Collections

5 images some work that a scientist who studies the Earth's soil might do such as classifying types of soil and measuring the slope of soil

Massive algal bloom

Eutrophication: Why you should care about pond scum

STEM Explained

When fertilizers from agriculture get into lakes and rivers, big problems can result for aquatic ecosystems, food chains & webs!