As an important source organ, leaves are the main site of photosynthesis in plants, and analyzing the developmental process of leaves can help to improve the photosynthetic assimilation capacity of plants.
Plants & Animals
Oct 9, 2023
0
1
To most people, complex technologies separate modern humans from their ancestors who lived in the Stone Age, thousands or hundreds of thousands of years ago. In today's fast changing world, older technologies, even those ...
Archaeology
Oct 9, 2023
0
403
An international team of scientists has found early human migrants left Africa for Eurasia, across the Sinai peninsula and on through Jordan, over 80,000 years ago.
Archaeology
Oct 4, 2023
0
51
In the quest to build better for the future, some are looking for answers in the long-ago past.
Archaeology
Oct 3, 2023
0
95
Researchers Katalin Kariko and Drew Weissman won the Nobel Medicine Prize on Monday for work on messenger RNA (mRNA) technology that paved the way for groundbreaking COVID-19 vaccines.
Other
Oct 2, 2023
0
4
An Egyptian-German mission led by Egyptologist Dr. Mohamed Ismail Khaled of the Department of Egyptology at Julius-Maximilians-Universität of Würzburg (JMU) has made a significant discovery within Sahura's pyramid.
Archaeology
Sep 27, 2023
0
210
Scientists have discovered a simple and reliable test for signs of past or present life on other planets—"the holy grail of astrobiology."
Astrobiology
Sep 25, 2023
1
2695
In a new study published in PNAS, researchers have extracted the first ancient DNA from Caribbean parrots, which they compared with genetic sequences from modern birds. Working with fossils and archaeological specimens, they ...
Ecology
Sep 25, 2023
0
599
Studying prehistoric production processes of birch bark tar using computational modeling reveals the kinds of cognition that were required for the materials produced by Neanderthal and early modern humans.
Archaeology
Sep 25, 2023
0
390
Neanderthals live on within us.
Archaeology
Sep 25, 2023
1
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