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A new way to fight gum disease without wiping out good bacteria
科学与环境

A new way to fight gum disease without wiping out good bacteria

Scientists discovered that disrupting the chemical messages bacteria use to communicate can push dental plaque toward a healthier microbial balance. The approach could lead to new treatments for gum disease that control harmful bacteria without destroying beneficial species.

All Top News -- ScienceDaily ·

Humans may not be as hardwired for violence as we thought
科学与环境

Humans may not be as hardwired for violence as we thought

A study comparing 100 primate species, including humans, suggests that everyday aggression and lethal violence did not evolve as part of the same simple behavioral spectrum. Species that frequently fight or show mild aggression are not necessarily more likely to kill rivals, whil

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New crocodile species discovered in rocks used to build the Great Sphinx
科学与环境

New crocodile species discovered in rocks used to build the Great Sphinx

A new species of extinct crocodile from Egypt has been discovered, sharing more than just its home with the Great Sphinx. Herugavialis cairensis was found in the very same rocks used to build the iconic monument. And, just as the Sphinx is famously missing the tip of its nose, th

Phys.org - latest science and technology news stories ·

This giant stick insect fooled scientists for decades
科学与环境

This giant stick insect fooled scientists for decades

Scientists have identified two new species of large Australian stick insects, including one that lays extraordinary “lidded” eggs never before recorded in the group. The discovery also revealed that a familiar stick insect had been misidentified for decades, showing how much biod

All Top News -- ScienceDaily ·