1003 records found. Displaying 121 - 144.
From the Series Sandra Markle's Science Discoveries
African penguins waddle around nesting colonies in lower numbers than ever before. Despite South African government efforts to protect the penguin colonies and their ocean fish supply, young… Read More →
On a global scale, humans create around 2.6 trillion pounds of waste every year. None of this trash is harmless—landfills and dumps leak toxic chemicals into soil and groundwater, while… Read More →
Decades of commercial whaling nearly decimated a variety of whales considered a keystone species. Keystone species are indicators of the overall health of Earth's habitats. While whales have… Read More →
Bruno, the cat in the checkered cap, takes life as it comes. When it's too rainy to go outside, his friends come around for breakfast. When a fish invites him into the river, he follows it… Read More →