Related topics: climate change · climate

Analyzing the fat of killer whales reveals what they eat

Scientists are studying the diets of the ocean's top predators as they change in response to their environments. This is because how much and what they eat can affect how ecosystems function.

Why plants worldwide became woody

Why do some plants grow into large woody shrubs or colossal trees, while others remain small and never produce wood in their stems? It's an evolutionary puzzle that baffled Charles Darwin more than 160 year ago. Now, scientists ...

What ancient pollen tells us about future climate change

Around 56 million years ago, Earth's climate underwent a major climatic transition. A huge release of carbon into the ocean and atmosphere raised atmospheric carbon dioxide (CO2) concentrations—which meant temperatures ...

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