Suffocating Ourselves: Dumping Plastic into Ocean Poisons the Bacteria that Produce 10% of our Oxygen, underpin Marine Life

By Petra Cameron and Philippa Kearney | – We’ve all seen the impact of our plastic addiction. It’s hard to …

Source: Suffocating Ourselves: Dumping Plastic into Ocean Poisons the Bacteria that Produce 10% of our Oxygen, underpin Marine Life

Rapid Oxygen Changes Fueled an Explosion in Ancient Animal Diversity | Portside

For more than a billion years after animal life arose, it stagnated in simplicity; sponges represented the height of complexity. Then around 541 million years ago, the pace of life’s transformation abruptly accelerated. This period, known as the Cambrian explosion, roughly bracketed the appearance of nearly all major animal groups alive today.

Source: Rapid Oxygen Changes Fueled an Explosion in Ancient Animal Diversity | Portside

Planets with oxygen not necessarily good candidates for ET life? 

Researchers have found that the presence of oxygen in a planet’s atmosphere may not be a strong indicator of life: Simulating in the lab the atmospheres of planets beyond the solar system, researchers successfully created both organic compounds and oxygen, absent of life.The findings, published D

Source: Planets with oxygen not necessarily good candidates for ET life? | Uncommon Descent