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image: Image of the Day: 100-Million-Year-Old Flower

Image of the Day: 100-Million-Year-Old Flower

By | September 21, 2017

Scientists think dinosaurs brushed these ancient flowers into pools of tree resin, creating fossils preserved in amber.  

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image: Image of the Day: Ancient Traces

Image of the Day: Ancient Traces

By | September 13, 2017

Scientists uncovered 500-million-year-old fossilized burrows, up to 600 microns in diameter, made by one of the world’s first freely moving animals.

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image: Ancient Sugar Molecule Could Timestamp Human Evolution

Ancient Sugar Molecule Could Timestamp Human Evolution

By | September 12, 2017

In animal fossils dating back millions of years, researchers detect traces of a glycan once synthesized by ancestral human lineages. 

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image: Mongolian Dinosaurs and the Poaching Problem

Mongolian Dinosaurs and the Poaching Problem

By | September 8, 2017

High-profile cases of poached fossils shine a light on the black market for paleontological specimens—and how scientists and governments are trying to stop it.

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image: Booger Bacteria’s Sweet Immune Suppression

Booger Bacteria’s Sweet Immune Suppression

By | September 6, 2017

Sweet taste receptor-activating molecules produced by sinus microbes suppress the local innate immune system in humans.

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image: An Immunological Timeline for Pregnancy

An Immunological Timeline for Pregnancy

By | September 1, 2017

A new study uses blood samples from pregnant women to track changes in the immune system leading up to birth, and predicts gestational age from the mothers’ immune signatures.

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image: How Immune Receptors Got into Mouse Noses

How Immune Receptors Got into Mouse Noses

By | September 1, 2017

A study traces proteins’ evolution from the immune to the olfactory system.

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image: Do Microbes Trigger Alzheimer’s Disease?

Do Microbes Trigger Alzheimer’s Disease?

By | September 1, 2017

The once fringe idea is gaining traction among the scientific community.

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Emerging evidence links bacterial or viral infection with the neuropathology of Alzheimer’s disease.

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image: Image of the Day: No Table Manners

Image of the Day: No Table Manners

By | August 24, 2017

Ancient bones of the newly described toothless, stout-nosed dolphin Inermorostrum xenops suggest that it slurped its food.

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