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Research shows that the numbers of butterflies in meadows and pastures of Europe are in a continuous decline. Grassland butterflies will soon play an even greater role in EU nature conservation legislation. Based on the occurrences and population trends of butterflies, the member states are supposed to document the progress they have made in implementing the planned Nature Restoration Law . ....
What had been suspected for half a century, that butterflies don t just flap their wings, but clap them together. theirflexible wings bending to form a cup, or a pocket, of air. when they collapse, this thrust is even stronger and more efficient. it s only now thanks to modern technology and a swedish wind tunnel that we can see it. it s a challenge to work with any living flying animal but with butterflies it s maybe even more because they are smaller, they are fast in their behaviour, difficult to predict their behaviour and also when flying them in a wind tunnel, it s difficult to get them to behave as you want to, when you want to and also to fly where you want them to fly. for a long time, scientists wondered how these creatures could actually avoid predators because of their awkward shape. if you look at their wings, you can see they are very large and broad compared to the size of their body and aren t considered ....
If you look at their wings, you can see they are very large and broad compared to the size of their body and aren t considered to be very aerodynamic. but this to make of clapping and cupping now appears to have given them an evolutionary advantage. thinking is this technique developed by the humble butterfly could be applied to modern tech allergy to make drones and underwater vehicles faster, travel further and last for longer. laura foster, bbc news. just a reminder that later today in washington, it will be the inauguration, handover of powerfrom president biden. the time now in washington, just after half past midnight. we are in the final 12 hours of the trump presidency. a changeover at 12 noon exactly local time. changeover at 12 noon exactly localtime. 0f changeover at 12 noon exactly local time. of course, very different inauguration one we have ever seen or be extensive ....
There s been a news story developing lately in the commonwealth of massachusetts, but to see it, to fully take it in, you have to slow down, get off the grid and be very quiet. it s like the old expression about stopping to smell the roses, but in this case, it s about butterflies. and these butterflies may be on to something bigger than even massachusetts. we get the story tonight from our chief environmental affairs correspondent anne thompson. reporter: in this lush garden of verbena, butterflies that have long called massachusetts home three american ladies. reporter: are making way for an influx of butterflies from the south, like fiery skippers. until recently, more likely to ....