Tag Archives: early

Mystery of how early animals survived ice age

How did life survive the most severe ice age? A team has found the first direct evidence that glacial meltwater provided a crucial lifeline to eukaryotes during Snowball Earth, when the oceans were cut off from life-giving oxygen, answering a … Continue reading

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Early dispersal for quadrupedal cetaceans: Amphibious whale from middle Eocene

Scientists have a relatively precise idea about where whales and their closest terrestrial relatives evolved more than 50 million years ago (early Eocene), thanks to the discovery of ancient cetacean fossils in India and Pakistan. Around 45 million years ago, … Continue reading

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New study on early human fire acquisition squelches debate

Fire starting is a skill that many modern humans struggle with in the absence of a lighter or matches. The earliest humans likely harvested fire from natural sources, yet when our ancestors learned the skills to set fire at will, … Continue reading

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Did early mammals turn to night life to protect their sperm?

Humans are diurnal — we are active in the day and sleep at night. But diurnalism is by far the exception rather the rule in mammals. About 250-230 million years ago, the mammalian ancestors, called the therapsids, became exclusively nocturnal, … Continue reading

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Early humans evolved in ecosystems unlike any found today

To understand the environmental pressures that shaped human evolution, scientists must reconstruct the ecosystems in which they lived. Because putting together the puzzle of millions-of-years-old ecosystems is a difficult task, many studies draw analogies with present-day African ecosystems, such as … Continue reading

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Dishing the dirt on an early man cave

Fossil animal droppings, charcoal from ancient fires and bone fragments litter the ground of one of the world’s most important human evolution sites, new research reveals. A team of scientists have used modern geoarchaeological techniques to unearth new details of … Continue reading

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Early life on Earth limited by enzyme

A single enzyme found in early single-cell life forms could explain why oxygen levels in the atmosphere remained low for two billion years during the Proterozoic eon, preventing life colonizing land. Paleontology News — ScienceDaily

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Jurassic fossil shows how early mammals could swallow like their modern descendants

The 165-million-year-old fossil of Microdocodon gracilis, a tiny, shrew-like animal, shows the earliest example of modern hyoid bones in mammal evolution. Paleontology News — ScienceDaily

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Early humans used northern migration routes to reach eastern Asia

Northern and Central Asia have been neglected in studies of early human migration, with deserts and mountains being considered uncompromising barriers. However, a new study argues that humans may have moved through these extreme settings in the past under wetter … Continue reading

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Research reveals surprisingly powerful bite of tiny early tetrapod

Micro-CT scanning of a tiny snake-like fossil discovered in Scotland has shed new light on the elusive creature, thought to be one of the earliest known tetrapods to develop teeth that allowed it to crush its prey. Paleontology News — … Continue reading

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