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Phys.org / New fossil pushes back physical evidence of insect pollination to 99 million years ago

A new study co-led by researchers in the U.S. and China has pushed back the first-known physical evidence of insect flower pollination to 99 million years ago, during the mid-Cretaceous period.

10 hours ago in Other Sciences
Medical Xpress / Cracking the mystery of a rare bleeding disorder—and pursuing 'off-the-shelf' drugs to treat it

Consider for a moment that your life is dominated by spontaneous nosebleeds, chronic stomach hemorrhaging, persistent anemia and a complex constellation of other manifestations, some potentially life-threatening.

15 hours ago in Medications
Phys.org / Smart metamaterials that sense and reprogram themselves

Materials scientists aim to engineer intelligence into the fabric of materials or metamaterials for programmable functions. Engineering efforts can vary from passive to active forms to develop programmable metasurfaces using ...

16 hours ago in Physics
Phys.org / Study reveals how two strains of one bacterium combine to cause flesh-eating infection

In recent years, scientists have found that serious infections that progress rapidly and resist treatment are often caused by multiple microbes interacting with one another. Very little is known about these so-called polymicrobial ...

10 hours ago in Biology
Phys.org / Vietnam deer rediscovered after nearly 30 years

A very rare species of small, deer-like animal thought to be on the verge of extinction has been spotted in the northwestern jungle of Vietnam for the first time in nearly 30 years.

12 hours ago in Biology
Tech Xplore / A deep learning technique to generate real-time lip sync for live 2-D animation

Live 2-D animation is a fairly new and powerful form of communication that allows human performers to control cartoon characters in real time while interacting and improvising with other actors or members of an audience. ...

16 hours ago in Machine learning & AI
Phys.org / New research explains how HIV avoids getting ZAPped

Humans have evolved dynamic defense mechanisms against the viruses that seek to infect our bodies—proteins that specialize in identifying, capturing and destroying the genetic material that viruses try to sneak into our ...

10 hours ago in Biology
Phys.org / Prey-size plastics are invading larval fish nurseries

New research shows that many larval fish species from different ocean habitats are ingesting plastics in their preferred nursery habitat.

10 hours ago in Biology
Medical Xpress / Newborn baby hiccups could be key to brain development

Each time a newborn baby hiccups, it triggers a large wave of brain signals which could help the baby learn how to regulate their breathing, finds a new UCL-led study.

6 hours ago in Neuroscience
Phys.org / Researchers find nature's backup plan for converting nitrogen into plant nutrients

Although nitrogen is essential for all living organisms—it makes up 3% of the human body—and comprises 78% of Earth's atmosphere, it's almost ironically difficult for plants and natural systems to access it.

9 hours ago in Earth
Phys.org / Scientists find eternal Nile to be more ancient than previously thought

Ancient Egyptians considered the Nile river to be the source of all life. The steady northward path of the river has nourished the fertile valleys of northeast Africa for millions of years and in doing so, shaped the course ...

14 hours ago in Earth
Phys.org / 'Messy' production of perovskite material increases solar cell efficiency

Scientists at the University of Cambridge studying perovskite materials for next generation solar cells and flexible LEDs have discovered that they can be more efficient when their chemical compositions are less ordered, ...

14 hours ago in Physics