Ancient DNA From 1 Million Years Ago Discovered in Antarctica

inertia

inertia

Super Member
October 10th, 2022 via ScienceAlert

Bullet Points:

- "Cold temperatures, low oxygen, and a lack of UV radiation make polar marine environments like the Scotia Sea terrific locations for sedaDNA to remain intact, just waiting for us to find it."

- "Among the other findings, the team discovered diatoms (single-celled organisms) that dated back 540,000 years ago. This all helps to inform our overview of how this part of the world has evolved over vast expanses of time."

- "Understanding more about past climate shifts and how the ocean ecosystem responded means more accurate models and predictions for what might happen next around the South Pole."

The paper: Nature Communications

___
 
inertia said:
October 10th, 2022 via ScienceAlert

Bullet Points:

- "Cold temperatures, low oxygen, and a lack of UV radiation make polar marine environments like the Scotia Sea terrific locations for sedaDNA to remain intact, just waiting for us to find it."

- "Among the other findings, the team discovered diatoms (single-celled organisms) that dated back 540,000 years ago. This all helps to inform our overview of how this part of the world has evolved over vast expanses of time."

- "Understanding more about past climate shifts and how the ocean ecosystem responded means more accurate models and predictions for what might happen next around the South Pole."

The paper: Nature Communications

___
Click to expand...
Interesting watching the heathen claim to know things God doesn't know.

Why should we believe you?
 
Authentic Nouveau said:
Interesting watching the heathen claim to know things God doesn't know.

Why should we believe you?
Click to expand...

I am a child of God. A follower of Jesus. You are not required to believe me, but God wants us all to get understanding.

"The beginning of wisdom is this: Get wisdom. Though it cost all you have, get understanding. Cherish her, and she will exalt you; embrace her, and she will honor you. She will give you a garland to grace your head and present you with a glorious crown." (Proverbs 4: 7-9)

Scientific exploration is one way to gain understanding.

___
 
CrowCross said:
The "Lost Squadron" pretty much ended the ice argument.
Click to expand...
No. All it showed was that your creationist sources do not understand the geography of Greenland.

The planes were parked on flat land, near the coast. There is a lot of snow at the coast, so they got buried very quickly.

The ice cores used for dating were collected well inland, up in the central mountains of Greenland. Well away from the coast, and with a lot less snow.

As so often, your creationist sources are lying to you; lying by omission.
 
rossum said:
No. All it showed was that your creationist sources do not understand the geography of Greenland.

The planes were parked on flat land, near the coast. There is a lot of snow at the coast, so they got buried very quickly.

The ice cores used for dating were collected well inland, up in the central mountains of Greenland. Well away from the coast, and with a lot less snow.

As so often, your creationist sources are lying to you; lying by omission.
Click to expand...
Inland was never like the coast. Got cha.
 
CrowCross said:
The "Lost Squadron" pretty much ended the ice argument.
Click to expand...

Thanks for sharing this part WWII history where a couple of B–17 Flying Fortress aircraft along with six Lockheed P–38 Lightning aircraft tried to fly through a massive blizzard over Iceland but instead they crash-landed into the snow and ice in southern Greenland. The incident turned out well because all the warfighters were rescued within nine days. They must have been very cold and hungry though until they were rescued.

The crashed and frozen aircraft that were left behind, and eventually rediscovered, are literally objects that were positioned into snow and ice by their localized forced impact. The aircraft's molecules weren't sprinkled over large areas of Earth within a year or two. By crashing into a relatively warm area in southern Greenland with an entirely different weather pattern than that of the ice cores that were retrieved in Antarctica, where many more freezings and meltings occur over time and snowfall rates up to an order of magnitude times faster are notable, does not invalidate the calibrated samples taken to evaluate diatoms discovered in the South Pole.

Chemical markers that provide temporal calibration include, but are not limited to:

- the Vesuvius eruption in 79 AD
- the the Samalas eruption in 1257
- the Huaynaputina eruption 1600
- the Krakatoa eruption of 1883
- the Pinatubo volcanic eruption 1992

____
 
You must log in or register to reply here.
Back
Top