Understanding the structure and way of construction in spider silk is a challenge taken up by a research team of Kiel University. The scientists examined five different spider species regarding the adhesion and tensile strength of a particular silk they use to fix the main thread to a surface as shown in their new study published in J. R. Society Interface.
La Californie est une région qui fait face à des périodes de sécheresses de plus en plus intenses et fréquentes. Ces sécheresses ont des conséquences extrêmement négatives dont notamment la diminution des stocks d’eau potable, vitaux à l’agriculture et au train de vie des habitants du Golden State. Pour arriver à économiser l’eau, la ville de San Francisco a lancé une campagne de sensibilisation audacieuse jouant sur des allusions, dirons-nous, assez « olé-olé ».
UXBRIDGE, Canada, Jul 22 (IPS) - Ending extreme poverty and hunger will be impossible on a rapidly overheating planet plagued by punishing droughts, catastrophic floods and ever wilder weather, said climate activists involved in talks to set the Sustainable Development Goals (SDGs).
U.S. commercial fishermen are throwing away about $1 billion worth of edible fish each year, according to a conservation group which is advocating for incentives to stop the waste.
The quantity of so-called bycatch – that is, fish that wasn't targeted but caught inadvertently – is estimated by the U.S. government at two billion pounds (907,185 tonnes) a year.
The surprise was the quality of the bycatch that often is tossed back into the ocean dead or dying, said marine scientist Amanda Keledjian, author of the report from Oceana, a nonprofit international conservation group.
Los ministros de Medioambiente de América Latina y el Caribe buscarán que en la Primera Asamblea de la ONU para el Medio Ambiente (UNEA), que comienza el lunes en Kenia, un acuerdo para prestar una mayor atención a la creciente contaminación atmosférica y la generación de residuos de las ciudades.
Carbon dioxide is being accumulated in the atmosphere at the fastest rate since records began, as scientists warn that the oceans and forests may have absorbed so much CO2 that their crucial function as “carbon sinks” is now severely threatened.
In order to improve the accuracy and fairness of the network's news coverage, reporters for BBC News are being directed to limit the amount of air time they give to people with anti-science viewpoints.