Painted turtles, male, female, new research

Dear Kitty. Some blog

This 6 May 2018 video from the USA says about itself:

In this video I will show you these cute amazing baby painted turtles. These baby turtles are only 1 day old and are so tiny, some of these baby turtles are the size of quarters and smaller. I saved the baby painted turtles from birds and at the end of the video I will let these turtles go.

From Iowa State University in the USA:

How scientists view sex determination in painted turtle populations

August 6, 2019

Summary: A study that looks at how temperature influences the development of painted turtles may lead biologists to rethink the theoretical frameworks they use when analyzing the topic. The study found wide variation within local populations, suggesting temperature sensitivity of embryonic development can vary significantly from one turtle nest to another within a single population.

A new study from Iowa State…

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A Very Mini Pond

By The Wobbly Dum-Dum Tree

It all started with a bee drinker. We are always being told that bees need water to drink in hot weather and every year I put some out for them. This year I had placed it on top of the stump of a tree that had been felled before we moved here, but then I decided to put it on the ground at the base of the stump so that our regularly visiting hedgehog could also have a drink.

This got me thinking about some more permanent arrangement such as a mini wildlife pond. Now hubby is not a fan of garden ponds so this was going to have to be something acceptable to him. It needed to be fairly small, preferably in a container of some sort and then there was the problem of where to site it. After much thought I decided the ideal place was at the…

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40,000 bluebirds housed in Idaho, USA

Dear Kitty. Some blog

This 25 July 2019 video from the USA says about itself:

The Birdman of Idaho Has Built Homes for Over 40,000 Bluebirds

He just might be the biggest bluebird landlord in Idaho. Al Larson has built and placed more than 350 wooden nest boxes throughout the state’s southwest. The birdwatcher started the project in the late 1970s after reading how important the shelters are to the survival of bluebirds. Today, at the age of 97, he is still at it. Larson monitors the little houses to record vital data about the number of eggs and nestlings. To date, Larson has helped fledge over 40,000 bluebirds.

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Plant evolution and gravity, new research

Dear Kitty. Some blog

This October 2016 video, in English with Brazilian Portuguese subtitles, says about itself:

Short video explaining a few key facts and concepts on land plant evolution from a phylogenetic perspective.

From the Institute of Science and Technology Austria:

When plant roots learned to follow gravity

Scientists identify key evolutionary steps of gravity-directed root growth

August 2, 2019

Summary: Highly developed seed plants evolved deep root systems that are able to sense Earth’s gravity. The ‘how and when’ of this evolutionary step has, until now, remained unknown. Plant biologists have identified crucial components and processes which only developed in seed plants around 350 million years ago to enable fast and efficient gravity-driven root growth.

One of the most important events in evolutionary history occurred around 500 million years ago with the spread of plant life from water to land. For plants to thrive in this new environment, root systems…

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GREEN AUTUMN THOUGHTS

Ulli Kattenstroth

Various rays go out from the sun, and some of them when they strike an object cause light to scatter in its diverse colors and heat to be felt. So the whole vegetable world may be considered as a vast mill receiving its motorpower from the sun. But in November this special power regularly dissolves here in the Northern hemisphere, the days get rapidly shorter, and with the leaves falling down from the trees and plants retreating again to the deep undergrounds the color green simply disappears mostly in nature.

Green means for us a very particular color while we are living on a stone planet where plants emerged on the vast countrysides only 200 million years ago. So green was the first brilliant color sucessfully appearing on our planet Earth, before all was just looking more dark-greyish-brown like today in the very high mountains. Red appeared in fact much later in nature, so green sticks deep in our mind and genomic memories as a symbol…

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